File consists of two photocopied clippings of articles; "Good display plus power of promotion sells complete office installations" by Phyllis Mitchell in the June 1962 Canadian Stationer & Office Equipment Deal p. 10-11 & 30 and "Muirheads a Family Affair Plus" by John Sturtridge in the May 1993 The Downtowner Herald p. 10
File consists of Muirheads' correspondence including a memo and a fax.
File consists of a letter and envelope sent to Diana Mulcahey from the Office of the Mayor in Sudbury, Ontario.
File consists of The Catholic Youth Organization's bulletins for the year 1946. Volume I issues 1-3 and volume II issues 1-4 are missing.
File consists of The Catholic Youth Organization's bulletins for the year 1947. Duplicates are included for volume III, issue 2 and issue 3. Volume III, issue 8 is missing along with all issues after March 30, 1947.
File consists of photographs relating to Jack Heit's time working at Falconbridge Ltd in relation to health and safety. A postcard of Falconbridge Nickel Mines is also included.
File contains photographs of the Heit family.
File consists of family photographs taken in Finland.
File consists of two photographs relating to Jack Heit's time volunteering for the Garson Volunteer Fire Brigade (est. 1939).
File consists of a two-page typed, annotated history of Muirhead Stationers Limited. This history was most likely written by an employee at Muirhead Stationers.