Notes and calculations, correspondence (many with comments on the manuscript).

Notes and observations, typescript of Chapter 27 'Ecology and Breeding Biology of Ploceine Weaver Birds' with comments in another hand, correspondence.

Notes and data, corrected manuscripts, correspondence.

Notes, corrected manuscripts, correspondence.

Notes, corrected manuscripts, comments on Chapter 23 in another hand, correspondence.

Notes, corrected manuscripts, correspondence.

Notes on others' work, correspondence.

Notes, corrected manuscripts, correspondence.

Notes and correspondence.