Item is a catalogue for an exhibition of photography, organized and presented by Dalhousie Art Gallery from October 29 to November 17, 1974.

Catalogue contains portraits, biographies, and artist statements of the artists, and lists of each of their photographs in the exhibition.

File consists of catalogues for the exhibition 'Notations in Passion, 1970: Photographs by Nathan Lyons from the collection of the National Gallery of Canada', circulated by the National Gallery of Canada between 1971-1972. The exhibition was presented at Dalhousie Art Gallery in August 1972.

Catalogues contain an exhibition statement by Lyons, an introduction essay by James Borcoman, a catalogue, 12 b&w plates of Lyon's photographs, a chronological biography and C.V., and a selected bibiography. All text is provided in both English and French.