Wallace Online Bibliographical Database
| Identifier: | WSPEC200 |
| Date: | 1997 |
| Concise reference: | Hoek Ostende, L.W. van den, Dekker, R.W.R.J. & Keijl, G.O. 1997. Type-specimens of birds in the National Museum of Natural History, Leiden. Part 1. Non-Passerines. NNM Technical Bulletin 1: 1-248 |
