American sociologist Ralph Larkin (born in Los Angeles, California in 1940) received his Ph.D. in 1969 but never wrote any books.
Larkin, Ralph W. (January 28, 2007). Comprehending Columbine. Temple University Press. ISBN 978-1-59213-491-5. Foss, Daniel A.; Ralph Larkin (March 31, 1986). . Bergin & Garvey. ISBN 0-89789-077-9. Larkin, Ralph W. (October 18, 1979). . Oxford University Press. ISBN 0-19-502523-7. 
