Fonds documents Naylor's life and work as organ scholar and composer. The fonds consists of correspondence to associates, friends and family, 1935-1984; miscellaneous programs, scrapbooks, ephemera, newspaper clippings, and photographs; manuscript choral, instrumental and vocal scores of Naylor's work, and others, 1924-1983; sound recordings of folk songs, chamber music, instrumentals and interviews, and recordings of other composers' work.

The fonds consists of approximately 550 presentation drawings, sketches, conceptual drawings, working drawings, technical drawings (inclusive of blueprints), travel sketches and photographs. These include exterior and interior renderings of plans and designs for work produced in both Europe and in China. The architectural collection consists of works by Hudec and two other unknown authors. The work of Hudec is transcribed in English, German and Chinese characters. The work of the unknown authors is transcribed in Hungarian and German. There are also 2 boxes of textual records including notes, notebooks, photo albums, documents, letters, memos, scrapbooks, photos, legal records, rare journals, and newspapers clippings.

Fonds includes the following series: theatre scrapbooks, 1941-1991; biographical material, 1939-1994; programs and printed material, ca. 1938-1986; photograph series, 1947- ca.1987; audio-visual media series, 1946-ca.1992; and theatre poster series, 1950-1978.

Fonds consists of minutes, correspondence, fund raising records, financial records, conductors files, guest artists files, legal agreements, arrangements for tours, scrapbooks of clippings, and programmes.