| Autor | Títulos | 1.
| Welch, Patricia Bjaaland | 1 | 2.
| Welch, Ronald, pseud. | 2 | 3.
| Welch, Sidney R. | 8 | 4.
| Welch, Stuart Cary | 10 | 5.
| Welchman, John, 1958- | 0 | 6.
| Ver: Welchman, John C., 1958- | 12 | 7.
| Welchman, John C., 1958- | 12 | 8.
| Welchman, John Corbett, 1958- | 0 | 9.
| Ver: Welchman, John C., 1958- | 12 | 10.
| Welchmann, John, 1958- | 0 | 11.
| Ver: Welchman, John C., 1958- | 12 | 12.
| Welchmann, John C., 1958- | 0 | 13.
| Ver: Welchman, John C., 1958- | 12 | 14.
| Welchmann, John Corbett, 1958- | 0 | 15.
| Ver: Welchman, John C., 1958- | 12 |
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