There are Several Versions of this book Listed here at LibraryThing

1) Psychotropic Drugs & Related Compounds by Us Dep Of Health
2) Psychotropic Drugs and Related Compounds by Earl Usdin & earl usdin
3) Psychotropic Drugs and Related Compounds, Second Edition

There are only TWO books I have them Both. 1st Edition (1967) 2nd Edition (1973)

a) They were both co-written by Earl Usdin and Daniel H. Efron
b) In 1967 The Government Agency was called  U.S. Dept. of Health, Education, and Welfare
c)  By 1973 the Agency was called  National Institute of Mental Health

Same Agency, Different Name, Same Authors for both editions

If you Want to Combine all the books with the "Psychotropic Drugs and Related Compounds"
and Give Both Authors names as well, I will fill in the Extra Information required for both editions and both Authors. I Used them as ref Material in The US Army and have first hand information. Amazon has only ISBN for the second ed, the 1st ed. was pre ISBN - Library of Congress has more complete data for both publications. They are Scientific reference books and can be had by Special request as Printed of Microfilm by the Supt. of Docs., U.S. Govt. Print. Off., (If you Qualify)