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)