One Reddit user has posted the first page of a 1944 edition of the Kama Sutra, a sexy book that was quite restricted in the middle of the 20th Century.
You can read the “Conditions of Sale” notice in the image embedded above, but here’s a transcript: “The sale of this book is strictly restricted to the members of the medical and legal professions, and to students of psychology and sociology. This publication is sold for their personal use only, and in no case should be lent or given away to others for obvious reasons.”
Follow this link to download a free eBook copy of the Kama Sutra. All these restrictions have been lifted on the Kama Sutra, a book by Vatsyayana that contains poetry and advice on sexuality.