1. Brothel prostitution in Colombia

   • María Teresa de Gallo
   • Heli Alzate

   OriginalPaper Pages: 1 - 7

2. Ambisexual behavior with male-male anal penetration in male rhesus monkeys

   • J. Erwin
   • Terry Maple

   OriginalPaper Pages: 9 - 14

3. Male homosexuality, psychiatric patient status, and psychological masculinity and femininity

   • Peter Stringer
   • Tadeusz Grygier

   OriginalPaper Pages: 15 - 27

4. Premarital sexual attitudes of unmarried university students: 1968 vs. 1972

   • Karl E. Bauman
   • Robert R. Wilson

   OriginalPaper Pages: 29 - 37

5. Formal and informal sex education as determinants of premarital sexual behavior

   • Graham B. Spanier

   OriginalPaper Pages: 39 - 67

6. Mother-father and daughter-male relationships: A comparison

   • Nils Uddenberg

   OriginalPaper Pages: 69 - 79

7. Behavioral differences and emotional conflict among male-to-female transsexuals

   • Edward M. Levine
   • Doris Gruenewald
   • Charles H. Shaiova

   OriginalPaper Pages: 81 - 86

8. Written descriptions of orgasm: A study of sex differences

   • Ellen Belle Vance
   • Nathaniel N. Wagner

   OriginalPaper Pages: 87 - 98

9. Book reviews

   • Joseph LoPiccolo
   • Martin Hoffman

   BookReview Pages: 99 - 101