| Autor | Títulos | | 1.
| Buthak, Jan, 1876-1950 | 1 | | 2.
| Buthaud, René | 1 | | 3.
| Buther, Cornelia, 19-- | 1 | | 4.
| Butí, Anna | 1 | | 5.
| Buti, Gérard | 1 | | 6.
| Butin, Hubertus | 2 | | 7.
| Butler, Adam | 1 | | 8.
| Butler, Alfred Joshua, 1850-1936 | 2 | | 9.
| Butler, Arthur G., 1844-1925 | 3 | | 10.
| Butler, Arthur Gardiner, 1844-1925 | 0 | | 11.
| Ver: Butler, Arthur G., 1844-1925 | 3 |
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