11 works in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| June 1906 | 3 | Interior Art | Mortmain (Part 1 of 2) | The Saturday Evening Post, June 2, 1906 |
| June 1906 | 5 | Interior Art | Mortmain (Part 2 of 2) | The Saturday Evening Post, June 9, 1906 |
| June 1906 | Cover Art | The Saturday Evening Post, June 2, 1906 | The Saturday Evening Post, June 2, 1906 | |
| December 1908 | Cover Art | The Saturday Evening Post, December 19, 1908 | The Saturday Evening Post, December 19, 1908 | |
| December 1908 | Cover Art | The Saturday Evening Post, December 26, 1908 | The Saturday Evening Post, December 26, 1908 | |
| January 1909 | Cover Art | The Saturday Evening Post, January 2, 1909 | The Saturday Evening Post, January 2, 1909 | |
| September 1910 | Cover Art | The Saturday Evening Post, September 10, 1910 | The Saturday Evening Post, September 10, 1910 | |
| August 1911 | Cover Art | The Saturday Evening Post, August 19, 1911 | The Saturday Evening Post, August 19, 1911 | |
| November 1914 | Cover Art | The Saturday Evening Post, November 21, 1914 | The Saturday Evening Post, November 21, 1914 | |
| November 1914 | Cover Art | The Saturday Evening Post, November 28, 1914 | The Saturday Evening Post, November 28, 1914 | |
| November 1929 | Cover Art | The Saturday Evening Post, November 23, 1929 | The Saturday Evening Post, November 23, 1929 |
Brother of Frank X. Leyendecker
| Year | Publication | Title |
|---|---|---|
| 1898 | Ionia; Land of Wise Men and Fair Women | Ionia; Land of Wise Men and Fair Women |
| June 1906 | The Saturday Evening Post, June 2, 1906 | Mortmain (Part 1 of 2) |
| June 1906 | The Saturday Evening Post, June 9, 1906 | Mortmain (Part 2 of 2) |
| October 1907 | Mortmain | Mortmain |
| October 1907 | Mortmain | Mortmain [2] |
| October 1907 | Mortmain | Mortmain [3] |
| 1984 | Legends of Valor | Lords of the Chariot and the Spear |
| July 2020 | Enchanted: A History of Fantasy Illustration | Pan |