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 Company, 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, 1921)