The first attempts to classify homosexuality as a disease were made by the fledgling European sexologist movement in the late 19th century.

He noted that Measure 13 had fared better than the alliance's previous referendum, in 1992, which would have classified homosexuality as "abnormal, wrong, unnatural and perverse."

He classified homosexuality as an illness or sexual perversion, citing contemporary psychiatric and psychological textbooks to support his view:

The Oregon amendment classifies homosexuality as a psychological abnormality.

He did not address the question whether the C.I.A. could constitutionally classify homosexuality as a security risk requiring dismissal.

It would amend the State Constitution to classify homosexuality as "abnormal, wrong, unnatural or perverse," and bar government from doing anything that might be seen to promote it.

Official medical textbooks that classify homosexuality under "Sexual Deviations and Disorders" are widely used through.

Some classic buddhist masters and texts disallow contact between buddhists and pandakas and classify homosexuality as sexual misconduct.

As of March 2006, Kosovo no longer classifies homosexuality as a mental disorder.

That is the battle over a proposition to amend the State Constitution to classify homosexuality as "abnormal, wrong, unnatural and perverse."