This collection contains correspondence to Archibald Stewart from May 1858 to 1894. Correspondence is from his mother, Jane Stewart, his wife Emily, real estate agents in Kansas (D.G., L.G., and A.A. Denton), and other friends and family in the United States. After his trip to Europe in 1881 he corresponded regularly with Albert E. S. Smythe of Belfast, Ireland who later moved to Toronto and is considered the Father of Theosophy in Canada. Almost all items are letters Archibald received, there are only 2 letters written and sent by Archibald (item 8.2 and 9.19).

While correspondence represents the majority of this collection, there are also three speeches given by A. E. Stewart, postcards, miscellaneous receipts, cards, ephemera, and medical school cards from 1857-1858.