| BIP-1 Gazetteers and Handbooks, 1906-1948 | | Number of microfiches | 96 |  | | BIP-2 Internal and External Affairs, 1904-1949 | | Number of microfiches | 310 |  | | BIP-3 Who's Who, 1909-1947 | | Number of microfiches | 26 |  | | BIP-4 Military Reports, 1900-1940 | | Number of microfiches | 34 |  | | BIP-5 Routes, 1908-1942 | | Number of microfiches | 49 |  | |
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