No. Title Date
1 Bibliographies (PP MS 42. SL/1-SL/4)
2 Desturi za Waswahili (PP MS 20-4a)
3 Miscellaneous Poetry (PP MS 20-3d)
4 Ogyek, Tigania, and Tharaka peoples-Reports (PP MS 42. SL/11-SL/13)