Olga Ley

Exercises for non-athletes over fifty-one : it's never too late (1985) 3 copies

Willy Ley's Exotic Zoology (1959) — Illustrator, some editions — 97 copies

Beyond Time (1976) — Contributor — 43 copies, 1 review

America's sewing book (1972) — Illustrator — 21 copies

Salamanders and Other Wonders: Still More Adventures of a Romantic Naturalist (1955) — Illustrator, some editions — 18 copies

The Aruthur Murray's Dance Secrets (1946) — Illustrator, some editions — 2 copies