Series consists of photographs and portraits relating to the Greb family. Includes photographs of Greb family members and of Harry Greb's yacht.

Series consists of newspaper clippings and other material relating to significant events in Kitchener as well as internationally. Includes clippings relating to the election of Charles Greb Sr. for mayor of Kitchener, World War II, and other subjects.

Series consists of records documenting aspects of the lives, careers, and interests of Charles E. Greb, Harry Greb, Clara May Greb, Erwin C. Greb, and Charles E. Greb Sr.; and the lives and disappearance of basset hounds Velvet and Jasmine. Includes press clippings; correspondence; birth, marriage, and death certificates; wills; photographs; certificates and awards; ephemera; and other material. Material probably collected and compiled by Charles E. Greb.

Series consists of material relating to the Ontario Summer Games, held in Waterloo on August 26-29, 1977, and also includes some material relating to the City of Waterloo's bid to host the 1981 Canada Summer Games. Includes press clippings, scrapbooks, ephemera, promotional material, correspondence, and other material. Charles E. Greb was Chairman of the Ontario Summer Games committee from 1975-1977, and in this role also sat on the Canada Summer Games bid submission committee.