Collection consists of five advertisements for Lanteen diaphragms and spermicidal jelly. The advertisements each feature a "curiosa of conception" which includes a fact about conception or childbirth with accompanying woodcut illustrations by Uruguayan-American visual artist Antonio Frasconi. Number of advertisements in series unknown. Those present in collection are: 2, 3, 4, 5 and 6.

Materials related to Reverend Alfred Henry Tyrer’s books and publications on birth control, sex education, and marriage life.

Includes pamphlets and order forms for Tyrer’s books Where did we come from, mother dear? (Marriage Welfare Bureau, 1939) and Sex, marriage and birth control (Marriage Welfare Bureau, 1936), and ephemera related to the books and the Marriage Welfare Bureau.

Also contains booklet Marriage welfare : some facts about birth-control by Reverend Alfred Henry Tyrer which acted as promotional material for the book Sex, marriage and birth control. Booklet includes sections: Birth-control, the population problem, definition of birth-control, birth control and war, mothers who die in child-birth, infant mortality, birth control vs. infanticide, birth-control vs. abortions, birth-control vs. degeneracy and disease, birth-control vs. prostitution, economics and birth-control, divorce, religion and birth-control, the present status of birth-control, a prairie marriage.

Materials were enclosed in an envelope sent from Ontario on July 10, 1941, and with a letter addressed to Steve E. Chorney from Ranfurly (Alberta) acting as an introduction to the publications and explaining their importance.