Park's illustrated flower book of choice dependable seeds : season of 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1932)

Park's illustrated flower book of choice dependable seeds : season of 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Company, 1935)

Park's illustrated flower book of choice dependable seeds, season of 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1933)

Park's illustrated flower book of choice dependable seeds, season of 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1934)

Park's illustrated flower book of choice dependable seeds, season of 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1936)

Park's illustrated flower book of choice dependable seeds, season of 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1937)

Park's illustrated list of hardy bulbs for 1900 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1900)

Pearce Seed Co., rare plant nursery : offer no. 71, 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pearce Seed Company, 1959)

Pearce seed company : rare plant nursery, offer no. 69, 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pearce Seed Company, 1958)

Pearce seeds, plants and bulbs : offer 45A (1946) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1946)

Pearce seeds, plants, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1945)

Pearce seeds, plants, bulbs : offer 39A - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1943)

Perennial, biennial and annual plants, iris, cut garden flowers in season : spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bright Spot Gardens, 1935)

Perennial, biennial and annual plants, iris, cut garden flowers in season : spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bright Spot Gardens, 1934)

Perennial, biennial and annual plants, iris, cut garden flowers in season : spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bright Spot Gardens, 1933)

Perennial, biennial and annual plants, iris : spring 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bright Spot Gardens, 1936)

Perennial, biennial and annual plants, iris : spring 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bright Spot Gardens, 1937)

Perennial plants : catalog for spring 1941, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1941)

Perennial plants : spring 1949, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Joseph F. Martin Co, 1949)

Perennial plants : wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1934)

Perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Potter Nurseries, 1951)

Perennials and other hardy ornamental plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens, 1927)

Perennials and rock plants for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1936)

Perennials and their uses, including height, color, and season of bloom, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Flower Farm, 1941)

Perennials : deciduous trees, flowering shrubs, evergreens, hardy vines, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muller-Sealey Co., Inc, 1924)

Perennials for all purposes : ground covers and hardy vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muller-Sealey Co., Inc, 1920)

Perennials for rockgardens, hardy border and general plantings - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens, 1928)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1935)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1939)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1936)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1940)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1941)

Perennials, shrubs, azaleas : wholesale trade list, fall, 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1957)

Perennials, shrubs, azaleas : wholesale trade list, spring, 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, Inc, 1958)

Perennials, shrubs, bulbs : wholesale trade list, fall, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1956)

Perennials, shrubs, bulbs : wholesale trade list, spring, 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1957)

Perennials, shrubs, roses, bulbs : retail, fall, 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1952)

Perennials, shrubs, roses, bulbs : retail, fall, 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1953)

Perennials, shrubs, roses, bulbs : retail price list, fall, 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1954)

Perennials, shrubs, roses, bulbs : retail price list, spring, 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1954)

Perennials, shrubs, roses, bulbs : retail, spring, 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1953)

Perennials, shrubs, roses, bulbs : spring, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1955)

Perennials, shrubs, roses, bulbs : spring, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1956)

Perennials, shrubs, roses, bulbs : wholesale trade list, fall, 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1954)

Perennials, shrubs, roses, bulbs : wholesale trade list, fall, 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1952)

Perennials, shrubs, roses, bulbs : wholesale trade list, fall, 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1953)

Perennials, shrubs, roses, bulbs : wholesale trade list, fall, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1955)

Perennials, shrubs, roses, bulbs : wholesale trade list, spring, 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1954)

Perennials, shrubs, roses, bulbs : wholesale trade list, spring, 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1953)

Perennials, shrubs, roses, bulbs : wholesale trade list, spring, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Springbrook Gardens, 1955)

Perennials you must have - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richards Gardens, 1953)

Perkins' flower garden news for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins Brothers' Flower Gardens, 1936)

Permanent pastures and meadows - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Farmer Seed Co, 1895)

Peter Henderson & Co.'s catalogue of everything for the garden : 1881 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1881)

Peter Henderson & Co.'s catalogue of everything for the garden : 1880 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1880)

Peter Henderson & Co.'s catalogue of everything for the garden : 1877 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1877)

Peter Henderson & Co.'s combined wholesale list from April 1st to May 15th, 1882. : for florists embracing plants, flower seeds and bulbs. : for market gardeners embracing vegetable seeds, plants and implements - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1882)

Peter Henderson & Co's manual of everything for the garden : 1892 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1892)

Peter Henderson & Co's manual of everything for the garden : 1899 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1899)

Peter Henderson & Co's seed catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1872)

Peter Henderson & Co's seed catalogue : 1875 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1875)

Peter Henderson & Co's seed catalogue : 1882 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1882)

Peter Henderson & Co's seed catalogue : 1883 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1883)

Peter Henderson & Co's tested seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1891)

Peter Henderson & Co.'s wholesale price list of bulbs, plants, flower seeds, and requisites for florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1884)

Peter Henderson & Co.s catalogue of everything for the garden : 1882 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1882)

Peter Henderson & Co.s manual of everything for the garden : 1884 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1884)

Peter Henderson & Co.s manual of everything for the garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1883)

Peter Henderson & Co.s manual of everything for the garden : 1885 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1885)

Peter Henderson & Co.s manual of everything for the garden : 1886 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1886)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1921)

Phlox, poppies, perennials : wholesale price list for fall 1954 planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richards Gardens, 1954)

Phlox, shrubs, perennials : wholesale price list for spring 1954 planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richards Gardens, 1954)

Phlox, shrubs, perennials : wholesale price list for spring 1955 planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richards Gardens, 1955)

The Phoenix Nursery Co. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Phoenix Nursery Co, 1912)

The Phoenix Nursery Company. Catalog no. 3 : [spring 1910] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloomington Phoenix Nursery, 1910)

The Phoenix Nursery Company. Catalogue no. 3, 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloomington Phoenix Nursery, 1913)

The Phoenix Nursery Company [catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Phoenix Nursery Company, 1911)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1976)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1979)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1992)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1995)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1996)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1997)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1998)

Phytoneuron (Guy L. Nesom, 2012)

Phytoneuron (Guy L. Nesom, 2015)

Pittonia :a series of papers relating to botany and botanists - Greene, Edward Lee, 1843 -1915 (Doxey & Co. [etc.], 1889)

Pitzonka's Pansy Farm, "The home of the pansy" : perennials, bulbs, rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1934)

Pitzonka's Pansy Farm, "The home of the pansy" : rock plants, bulbs, perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1933)

Plant a victory garden with Tait's thorobred seeds : 74th annual catalog, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. Tait & Sons, 1943)

Plant catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles Fiore Nurseries, 1940)

Plant catalogue : orchids, palms, ferns, foliage, and flowering plants, chrysanthemums, hardy plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitcher & Manda, 1894)

Plant culture; a working hand-book of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co., Ltd, 1909)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare Co., Inc, 1921)

Plant culture; a working hand-book of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co, 1912)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co, 1900)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare co., inc, 1921)

Plant lists : Western United States and Mexico - Pringle, Cyrus G. (Cyrus Guernsey), 1838 -1911 (1882)

Plant perennials, rock-plants, and bulbs now for next year's bloom [bulletin and price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1930)

Plantae Lindheimerianae : an enumeration of F. Lindheimer's collection of Texan plants, with remarks and descriptions of new species, etc - Gray, Asa, 1810 -1888 (Printed by Freeman and Bolles, 1845)

Plantae Lindheimerianae : an enumeration of F. Lindheimer's collection of Texan plants, with remarks and descriptions of new species, etc - Gray, Asa, 1810 -1888 (Printed by Freeman and Bolles, 1907)

Plantarum vascularium genera :secundum ordines naturales digesta eorumque differentiae et affinitates tabulis diagnostacis expositae - Weidmann. (Libraria Weidmannia, 1836)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1949)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1962)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1991)

Plants and plans for beautiful surroundings : [catalog no. 15] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wagner Park Conservatories, 1907)

The plants of Michigan; simple keys for the identification of the native seed plants of the state - Gleason, Henry A. (Henry Allan), 1882 -1975 (G. Wahr, 1918)

Plants, perennials, fruit trees, roses, evergreens, hardy ornamentals, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kroh Brothers Nursery, 1937)

Pliny's natural history in thirty-seven books - Pliny, the Elder, 23 or 24 -79 (Barclay, 1847)

Pliny's Natural history. In thirty-seven books - Pliny, the Elder, 23 or 24 -79 (Printed for the Club by G. Barclay, 1847)

Pools and rock gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Published by R.M. Kellogg Co, 1935)

The popular encyclopedia; being a general dictionary of arts, sciences, literature, biography, history, and political economy, reprinted from the American edition of the "Conversations lexicon" ... with dissertations on the rise and progress of literature (Blackie, 1900)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1885)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1886)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1888)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1889)

Popular gardening for town and country (Popular Gardening Pub. Co, 1888)

The practical garden-book, containing the simplest directions for the growing of the commonest things about the house and garden - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Grosset & Dunlap, 1906)

A practical guide to garden plants, containing descriptions of the hardiest and most beautiful annuals and biennials, hardy herbaceous and bulbous perennials, hardy water and bog plants, flowering and ornamental trees and shrubs, conifers; hardy ferns; hardy bamboos and other ornamental grasses. Also the best kinds of fruits and vegetables that may be grown in the open air in the British Isles with full and practical instruction as to culture and propagation - Weathers, John, 1867 -1928 (Longmans, Green, 1901)

Practical plant propagation; an exposition of the art and science of increasing plants as practiced by the nurseryman, florist and gardener - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare company, inc, 1922)

Preliminary price list of hardy plants : spring and fall 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roberts Rose Company, 1924)

Premium hardy perennial plants for fall '41, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1941)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.J. Weber & Sons Nursery Co, 1907)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.J. Weber & Sons Nursery Co, 1908)

Price list - Eastern Nurseries. (Eastern Nurseries, 1908)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1914)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1915)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1916)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (White Elm Nursery Co, 1934)

Price list. Fall 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1920)

Price list 1907 for gardeners and owners of estates only : trees, shrubs, roses, vines herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Windsor H. Wyman, 1907)

Price list : 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (White Elm Nursery Co, 1914)

Price list, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (White Elm Nursery Co, 1931)

Price list, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1933)

Price list , 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1934)

Price list, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1935)

Price list, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mission Gardens, 1939)

Price list, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mission Gardens, 1941)

Price list, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mission Gardens, 1942)

Price list, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mission Gardens, 1944)

Price list : alpines, perennials, aquatics, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hav'alook Gardens, 1938)

Price list and descriptive catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. Barteldes & Co, 1902)

Price list and descriptive catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. Barteldes & Co, 1903)

Price list and descriptive catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. Barteldes & Co, 1900)

Price list and descriptive catalogue : field, flower and garden seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.A. Watkins Mdsc. Co, 1903)

Price list and descriptive catalogue of F. Barteldes & Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. Barteldes & Co, 1896)

Price list and descriptive catalogue of F. Barteldes & Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. Barteldes & Co, 1893)

Price list : fall 1909, spring 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.J. Weber & Sons Nursery Co, 1909)

Price list : fall 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Educational Supply Co, 1915)