Materials in the collection include original illustrations, copies of the Algiers Mission Band journals, facsimiles of Lilias Trotter journals and sketchbooks, and copies of Trotter correspondence with art critic John Ruskin.

Monographs in the collection consist of works by Trotter, Trotter biographies, works by John Ruskin, and historical depictions of Algeria. They may be searched in the library catalog as keyword: SC/225. Additional monographs may be found in the in the Steven Barabas Keswick Collection, and searched in the library catalog with keyword SC/30.