Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1906)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1915)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1914)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1916)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1907)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1917)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1908)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1910)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1912)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1935)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants hardy lilies evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1938)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants hardy lilies evergreens - shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1937)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants hardy lilies evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1940)

Horsford's trade list of bulbs, ferns, orchids, and bog plants for the summer and autumn of '93 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1894)

Horticultural register, and gardener's magazine - Breck, Joseph, 1794 -1873 (G. D. Barrett [etc.], 1835)

Horticultural register, and gardener's magazine - Breck, Joseph, 1794 -1873 (G. D. Barrett [etc.], 1837)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1831)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1833)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1904)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1847)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1849)

Hortus Berolinensis : sive icones et descriptiones, plantarum rariorum vel minus cognitarum, quae in Horto Regio botanico Berolinensi excoluntur - Link, Heinrich Friedrich, 1767 -1851 (F. Schüppel, 1816)

Hortus Boissierianus : énumération des plantes cultivées en 1885 à Valleyres (Vaud) et à la Pierrière (Chambésy près Genève) - Durand, Th. (Théophile), 1855 -1912 (Georg & Cie, 1896)

Hortus Elginensis, or A catalogue of plants, indigenous and exotic, cultivated in the Elgin Botanic Garden, in the vicinity of the city of New-York : established in 1801 - Hosack, David, 1769 -1835 (Printed by T. & J. Swords, 1811)

Hortus kewensis, or, A catalogue of the plants cultivated in the Royal Botanic Garden at Kew - Aiton, William, 1731 -1793 (Longman, Hurst, Rees, Orme, and Brown, 1811)

House & garden (Condé Nast Publications, etc.], 1918)

House & garden (Condé Nast Publications, etc.], 1919)

House & garden's book of gardens; containing over four hundred illustrations of special flower types, plans and suggestions for landscape work, a complete gardener's calendar of the year's activities, planting and spraying tables, and a portfolio of beautiful gardens in varied sections of the United States and foreign countries - Wright, Richardson Little, 1887 -1961 (C. Nast & Company, 1921)

How plants are trained to work for man - Burbank, Luther, 1849 -1926 (P.F. Collier & Son Company, 1921)

How plants are trained to work for man - Burbank, Luther, 1849 -1926 (P. F. Collier & Son Company, 1921)

How to know the wild flowers; a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's sons, 1898)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner, 1895)

How to know the wild flowers: a guide to the names, haunts, and habits of our common wild-flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's sons, 1900)

How to know the wild flowers. A guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's Sons, 1893)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's sons, 1893)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (Scribner, 1921)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (Charles Scribner's Sons, 1893)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (Charles Scribner's Sons, 1913)

How to know the wild flowers : a guide to the names, haunts and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (Scribner's, 1904)

How to know wild fruits; a guide to plants when not in flower by means of fruit and leaf - Peterson, Maude Gridley, 1871 - (Macmillan, 1905)

How to know wild fruits; a guide to plants when not in flower by means of fruit and leaf - Peterson, Maude Gridley. (Macmillan, 1914)

How to study plants - Wood, Alphonso, 1810 -1881 (American book company, 1895)

How to study plants : or, introduction to botany, being an illustrated flora - Wood, Alphonso, 1810 -1881 (American Book Co, 1882)

How to study plants : or, Introduction to botany, being an illustrated flora - Wood, Alphonso, 1810 -1881 (Barnes, 1882)

How, when, where and what to plant "will grow" evergreens, shade and fruit trees, ornamental shrubs, perennials, bulbs, etc. 1926 : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (B.F. Barr & Co, 1926)

Iconographia familiarum naturalium regni vegetabilis = Abbildungen der natürlichen Familien des Gewächsreiches : delineata atque adiectis familiarum characteribus adnotationibusque variis tum scientiam tum usum spectantibus exornata - Schnizlein, Adalbert, 1814 -1868 (M. Cohen, 1843)

Iconographic encyclopaedia of science, literature, and art - Baird, Spencer Fullerton, 1823 -1887 (R. Garrigue, 1851)

Illinois EcoWatch : Technical notes for ForestWatch, RiparianWatch, PrairieWatch and WetlandWatch final report - Schwartz, M. W. (Mark W.), 1958 - (INHS Center for Biodiversity, 1997)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1990)

Illinois wild flowers - Eifert, Virginia Louise Snider, 1911 -1966 (1960)

Illustrated descriptive catalogue of choice hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1893)

The illustrated dictionary of gardening :a practical and scientific encyclopædia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L.U. Gill, 1884)

The Illustrated dictionary of gardening : a practical and scientific encyclopaedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. Upcott Gill, 1887)

An illustrated dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (Balliére, Tindall & Cox, 1894)

An illustrated encyclopaedia of gardening - Wright, Walter P. (Walter Page), 1864 -1940 (J. M. Dent & sons, ltd, 1911)

An illustrated flora of the northern United States, Canada and the British possesions from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102d meridian. Vol. 3, Apocynaceae to Compositae, dogbane to thistle - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner, 1896)

An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's sons, 1913)

An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's sons, 1913)

An illustrated flora of the northern United States, Canada and the British possessions from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's Sons, 1896)

An illustrated flora of the northern United States, Canada and the British possesions from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102d meridian. Vol. 3, Apocynaceae to Compositae, dogbane to thistle - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner, 1898)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1923)