Checklist of the armored scales (Homoptera: Diaspididae) of the conterminous United States - United States. Animal; Plant Health Inspection Service. Plant Protection; Quarantine Programs. (U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, Plant Protection and Quarantine, 1982)

The cherries of New York - New York (State). Dept. of Agriculture. (J.B. Lyon Company, state printers, 1915)

The cherry in Kansas : with a chapter on the apricot and the nectarine - Barnes, William H. (Issued by the state, 1900)

The cherry, together with reports and papers on pear, plum, peach, grape, and small fruit - American Pomological Society. (1905)

The chief injurious scale-insects of Connecticut - Britton, Wilton Everett, 1868 -1939 (Connecticut Agricultural Experiment Station, 1905)

Circular - United States. Bureau of Entomology. (Govt. print. off, 1891)

Circular - United States. Bureau of Entomology. (The Bureau, 1911)

Circular - United States. Bureau of Entomology. (The Division, 1891)

Circular - United States. Bureau of Entomology. (The Division, 1893)

Circular - United States. Bureau of Entomology. (The Division, 1904)

Citrus fruit insects in Mediterranean countries - Quayle, H. J. (Henry Josef) 1876 -1951 (U.S. Dept. of Agriculture, 1914)

Citrus fruits - Coit, J. Eliot, 1880 - (The Macmillan company, 1915)

Class book of economic entomology - Lochhead, W. (P. Blakiston's son & co, 1919)

Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada - Lochhead, W. (Blakiston, 1919)

Class book of economic entomology with special reference to the economic insects of the northern United States and Canada - Lochhead, W. (P. Blakiston's Son, 1919)

The coccid genera Chionaspis and Hemichionaspis - Cooley, R. A. (Robert Allen), 1873 -1968 (Carpenter & Morehouse, 1899)

The Coccidae - MacGillivray, Alexander Dyer, 1868 -1924 (Scarab company, 1921)

The Coccidae of California; a descriptive list of the different scale insects found in and reported from California - California. State Horticultural Commission. (W. W. Shannon, 1906)

The Coccidae of Ceylon - Green, Edward Ernest, 1861 -1949 (Dulau & Co., ltd, 1896)

The Coccidae of Ceylon - Green, Edward Ernest, 1861 -1949 (Dulau & Co., ltd, 1899)

The Coccidae of Ceylon - Green, Edward Ernest, 1861 -1949 (Dulau & Co., ltd, 1922)

The Coccidae of Illinois - Gage, John Howard (1916)

The Coccidae of Kansas. A series of articles dealing with Coccidae found in Kansas, their host plants, and bibliography - Hunter, Samuel John, 1866 -1946 (1898)

The Coccidae, tables for the identification of the subfamilies and some of the more important genera and species, together with discussions of their anatomy and life history - MacGillivray, Alexander Dyer, 1868 -1924 (Scarab, 1921)

The Coccidae, tables for the identification of the subfamilies and some of the more important genera and species, together with discussions of their anatomy and life history - MacGillivray, Alexander Dyer, 1868 -1924 (Scarab Company, 1921)