Leo Tolstoy | Pope Leo XIII | Leo Gorcey | Leo Burnett | Leo Brouwer | Leo VI the Wise | Leo | Pope Leo X | Leo Durocher | Wadada Leo Smith | Ted Leo | Pope Leo I | Pope Leo IX | Melissa Leo | Leo Carrillo | Ted Leo and the Pharmacists | Leo Castelli | Leo Burnett Worldwide | San Leo | Leo Strauss | Leo Marks | Leo Laporte | Léo Ferré | Leó Szilárd | Leo Slezak | Leo Frobenius | Leo Cárdenas | Pope Leo XII | Leonardo Leo | Leo Fall |
In But That's Unprintable (1955) Breger wrote about newspaper and magazine taboos and illustrated his text with 135 unpublished cartoons by leading cartoonists, including Bo Brown, Milton Caniff, Irwin Caplan, Eric Ericson, Stan Fine, Rube Goldberg, Leo Garel, Don Flowers, Phil Interlandi, Reamer Keller, Fred Lundy, Jack Markow, Charles E. Martin, Fred Neher, Russell Patterson, Mort Walker and George Wolfe.
Cartoonists included Bob Barnes, Irwin Caplan, Chon Day, Leo Garel, Jerry Marcus, Don Orehek, Virgil Partch, Bob Schroeter, Eli Stein, George Wolfe and Pete Wyma.