From Amrita, 1966.

From The Patrician, November 1941.

From Dominion Language Series Book Two by Daniels, Hall, Matthews & MacKenzie, 1936.

From Phil May's Illustrated Winter Annual, 1896.

From See and Do by Witty & Kelly, 1947.

From the U.S. Naval Academy's 1901 yearbook.

From Photo-Era Magazine, 1913.

From Basic Studies in Science by Wilbur Beauchamp, 1940.

From Wee Wisdom, 1905.

From Youth's Companion, 1925.

From Folly in Fairyland by Carolyn Wells and illustrated by Wallace Morgan, 1901.

"A cat walks 260 miles."  From The Children's Newspaper, 1933.

Today's 20 cats are from Lilliput Lyrics by William Brighty Rands and illustrated by Charles Robinson (1899).

From Méthode de Lecture par l'Observation et l'Analogie by Mironneau & Philippe, 1927.

Though this is a very simple dot-to-dot puzzle, it's nowhere as simple as this one(!!!)  From We Can Read Mr. Whiskers by Gerard, McInnes & McLean, 1962.

From Think-and-Do Book to Accompany Fun with Dick and Jane, 1940.

From My Book About Mary and Bill by Felton & Meighen, 1940.

"Cats are where you find them."  From the Massachusetts Society for the Prevention of Cruelty to Animals' Our Dumb Animals magazine, 1955.

"She's trying to tell you all about it."  From Youth's Companion, 1923.

From Bow-Wow and Mew-Mew by Mara Louise Pratt-Chadwick and illustrated by Rebecca Chase, 1905.