Oragenitalism is the title of a book authored by American folklorist Gershon Legman

Gershon Legman

Gershon Legman was an American cultural critic and folklorist.-Life and work:Legman was born in Scranton, Pennsylvania to Emil and Julia Friedman Legman, both of Hungarian/Romanian Jewish descent; his father was a railroad clerk and butcher...

, and published by the Julian Press in 1969. The book describes various types of oral sex

Oral sex

Oral sex is sexual activity involving the stimulation of the genitalia of a sex partner by the use of the mouth, tongue, teeth or throat. Cunnilingus refers to oral sex performed on females while fellatio refer to oral sex performed on males. Anilingus refers to oral stimulation of a person's anus...

.
The book is intended as "instruction manual, conduct guide, and household advice book". The author claimed that it was the earliest book of its kind on the subject, and for a long time the only one.
Its contents are divided into four sections: "Cunnilinctus

Cunnilingus

Cunnilingus is an oral sex act performed on a female. It involves the use by a sex partner of the mouth, lips and tongue to stimulate the female's clitoris, vulva, or vagina...

" written under the pen-name Roger-Maxe de la Glannege (an anagram

Anagram

An anagram is a type of word play, the result of rearranging the letters of a word or phrase to produce a new word or phrase, using all the original letters exactly once; e.g., orchestra = carthorse, A decimal point = I'm a dot in place, Tom Marvolo Riddle = I am Lord Voldemort. Someone who...

 of his real name) and published by Jacob Brussel of New York in 1940; the three remaining sections "Fellatio

Fellatio

Fellatio is an act of oral stimulation of a male's penis by a sexual partner. It involves the stimulation of the penis by the use of the mouth, tongue, or throat. The person who performs fellatio can be referred to as the giving partner, and the other person is the receiving partner...

", "Irrumation

Irrumatio

Irrumatio, also called irrumation, is a type of sexual intercourse performed by actively thrusting one's penis into a partner's mouth and throat. It may also be the thrusting of the penis between the legs, breasts, feet, upper thighs , or between the abdomens of two partners."Latin erotic...

", and "Sixty-Nine" were not published until 1969.