by Higley, H R, Ksander, G A, Gerhardt, C O, Falanga, V
Published in British journal of dermatology (1951) (01.01.1995)

by Ksander, GA, Gerhardt, CO, Dasch, JR, Ellingsworth, LR
Published in The journal of histochemistry and cytochemistry (01.12.1990)

by Ksander, George A, Pratt, Bruce M, Desilets-Avis, Paula, Gerhardt, Carolyn O, McPherson, John M
Published in Journal of investigative dermatology (01.08.1990)

by LaVail, M M, Sidman, R L, Gerhardt, C O
Published in The Journal of heredity (01.07.1975)

by GERHARDT & CO. GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
Year of Publication 01.05.1912

by GERHARDT & CO. GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
Year of Publication 01.04.1912

by Flynn, Kevin, Kevin Flynn is the co-author, with Gary Gerhardt, of "The Silent Brotherhood: Inside America's Racist Underground."
Published in New York Times (12.08.1990)