The fonds consists of books, letters, documents, drafts, publications, photographs, and several artifacts collected by W. W. Francis and Marian Francis Kelen over the course of their lifetimes. Many books and documents relate to Sir William Osler and the Osler family including several personal letters, the Deed of Trust documents regarding the Bibliotheca Osleriana, drafts of Osler's works, and a wooden travelling trunk that belonged to Edward Revere Osler. The fonds also includes original poetry written by Marian Osborne, W. W. Francis, and Marian Francis Kelen.

File consists of a copy of the "Biographical Sketch of Dr. Rohrer," authored by Rohrer's wife and originally published in his 1909 PhD thesis, "A Contribution to the Comparative Anatomy of the Prostate Gland," available in McGill's library catalogue. It also contains a manuscript of Rohrer's poems, "Sir William Osler, Bart. (1849-1919)," as well as printed versions of the poems in three editions: the original 1921 edition (signed by Pedhammok), the 1922 edition, and the Memorial 1929 edition.