American Psychiatric Association 1952 DSM-I entry on sexual deviance classifies homosexuality as a pathology.
American Psychiatric Association, DSM-I Diagnostic and Statistical Manual of Mental Disorders (First Edition), (Washington D.C., American Psychiatric Association, 1952)
000-x63 Sexual deviation
This diagnosis is reserved for deviant sexuality which is not symptomatic of more extensive syndromes, such as schizophrenic and obsessional reactions.
DEFINITION OF TERMS
The term includes most of the cases formerly classed as "psychopathic personality with pathologic sexuality." The diagnosis will specify the type of the pathologic behavior, such as homosexuality, transvestism, pedophilia, fetishism and sexual sadism (including rape, sexual assault, mutilation).
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036 Homosexuality (320.6)