Fonds consists of records created and accumulated by William Morley Tweedie as student, professor, Allisonian and family member. Records of other family members are included.
The William Tweedie series includes: Diaries; Correspondence of W. Tweedie and his wife Dorcas Tweedie; Personal papers; Account Booklets; Sermon notes; deed; church related notes.
The Rev. James Tweedie series includes: Diary; Family Bible.
The William Morley Tweedie series includes: Correspondence; Invitations, Announcements, etc.; Diaries, Memo booklets, etc. of W.M. Tweedie's, 1896-1950; Personal Financial Papers of W.M. Tweedie; School notebooks of W.M. Tweedie at Mount Allison, 1879-1882; School Composition's (W.M. Tweedie's); Teaching notes, Exams (W.M. Tweedie's); Student Record Books (W.M. Tweedie's); Speeches made by W.M. Tweedie; Degree introductions - Citations by W.M. Tweedie; Registrar papers (W.M. Tweedie); Honours, Awards given to W.M. Tweedie; Personal Manuscripts of W.M. Tweedie; The Tweedie Fund; Travel; Personal papers of W.M. Tweedie; Educational Conferences; Books, Pamphlets, etc; Personal Items of W.M. Tweedie; Other Correspondence of W.M. Tweedie; Simplified Spelling Board.
The Leora (Lue) Rebecca Tweedie series includes: Correspondence; Correspondence from W.M. Tweedie; Letters written to Leora Tweedie with incomplete names; Autograph Book; Personal Papers and notes of Leora Tweedie.
Other series include: Nettie Tweedie; Thomas Mitchell Tweedie; Postcards; Tweedie Family Photographs; Mount Allison Photographs; Mount Allison Associated Alumni; Mount Allison Related Newspaper clippings; Genealogy; Church Related material; Unidentified diaries and notes; miscellaneous papers.