- FondsA1138 - James Charles Napoleon Humphreys, Mining papers
- SeriesPPP - Portuguese West Africa
- File2780 - Portuguese West Africa - Angola - Benguela (Lobito Bay.)
- File2781 - Angola Diamonds, Ltd.
- File2782 - Benguela Railway Co.
- File2783 - Diamonds in Angola
- File2784 - Lobito Bay - Angola - Portuguese West Africa
- File2785 - Railways in Portuguese West Africa