Fonds consists of correspondence; manuscripts, ranging from fragments and rough drafts to printers' copies and page proofs, of novels, short stories, short story collections, stage plays, poetry and lyrics; screenplays by G. Vanderhaeghe and others based on G. Vanderhaeghe's works; articles, book reviews, essays, lectures and speeches; promotional material; articles, essays and thesis about G. Vanderhaeghe and his works; interviews with the author; miscellaneous material; works by other authors; and published work.

Subseries consists of published copies of essays, article and short stories featured in various newspapers, magazines, and journals; includes writing excerpts and samples.