The Sims family collection encompasses records of the Sims and Cook, Davidson and Garden families retained by members of the two family branches that came together when Harvey James Sims and Florence Katherine Roos married in 1902. Their Sims and Davidson forbears were equally significant in the history of the Waterloo-Wellington area and in the growth and development of agriculture, education, business and government. Harvey James Sims and Florence Katherine Roos were deeply involved in their local community of Berlin, (later Kitchener) Ontario and their own records contain significant additions to our knowledge of local personalities and affairs. Harvey was a childhood and lifelong friend of William Lyon Mackenzie King; they wrote and visited each other regularly. King's sister Bella was also a close friend of Florence from school days on.

Primarily correspondence from Orpheus Moyer Schantz from 1881 to 1951.

One holograph letter, written from the trenches in France during the First World War. Ross Hamilton is sending Miss Henstridge a book he has found in a ruined house, and is asking for news of his old school, Kitchener Collegiate Institute.

Consists of one 10 p. item of correspondence from Jacob Ratz of New Hamburg to Elmer Ratz of Hamilton outlining the genealogy of the Ratz family.

Fonds consists of ten letters written by John Woelfle to his brother Edward in 1895. The letters describe the travels and activities of the writer and express interest and concern about the activities and lifestyle of the recipient and other members of the family.

Consists of typescripts of fifteen letters, fourteen from John Goldie to his son James written between 1846 and 1854, one undated from William to James.

Consists of one holograph letter from John Galt addressed to "Croker." The letter requests that Croker publish the enclosed items in his magazine if they are not too late reaching him.

Fonds consists of 28 items of correspondence predominantly written during 1893 to David Shannon Bowlby from his family in Berlin (Kitchener), Ontario while Bowlby was a student at the University of Toronto. Most of the letters are casual in nature providing updates about happenings in Berlin, including church sermons and social engagements.

The majority of the letters are authored by Bowlby's mother Martha Esther, with additional letters from friends, including Albert Liborius Breithaupt, and family, including father David Sovereign. Also in the file is one letter from Bowlby on personalized letterhead.

The majority of the archives of the Concordia Club were destroyed either as a result of the ransacking of the club by the 118th Batallion in 1916, or as a result of the fire of November 17, 1971. As a result the earliest records of Concordia have largely been lost forever. A very small number of items can be traced back to the Concordia Male Choir (1873-1914). These take the form of two items of correspondence, programs for the "Sängerfests", clippings, and photographs. A small number of archival records also can be found which belonged to the "Deutscher Club, Kitchener" (1925-1930), and include a set of house rules, letters patent, and photographs. Some records from the 1930s have also been preserved to this day, and include artifacts, clippings, legal documents, a membership list, photographs, and programs of events. However, the majority of the materials date from the 1950s onwards. These materials document the history of the Concordia Club since the 1950s, and include artifacts, audiovisual material, clippings, correspondence, ephemera, financial records, legal documents, membership records, minutes of meetings, photographs, publications, and scrapbooks.

File consists of one letter from Christian Enslin, bookseller and bookbinder, Waterloo, Ontario to Fredrick Heinitsch, M.D., Lancaster, Pennsylvania requesting the right to "Mother Drops", a medicine created by Dr. Heinitsch on which he held the patent.
The letter also includes information on bookbinding and printing practices in Upper Canada and makes reference to local figures such as Benjamin Eby, Bishop of the Mennonites.

The accrual consists of records related to various members of the Breithaupt family including business activities, correspondence and biographical information.

Thirteen items of correspondence between members of the Bowman family. The topics of correspondence include updates on relatives, current issues and news in Waterloo Region, the American Civil War, and more.

The members of the Bowman family represented in the correspondence include children, grandchildren, and great-grandchildren of Rev. Joseph O. Bowman (1766-1849) and Christian Bowman (1766-1824). Although the families share a common distant ancestor the commonality of families in the set of correspondence represented here comes from Elizabeth Bowman (b. 1844) and Nancy Bowman (1839-1925), both children of Samuel B. Bowman, marrying brothers Allan (1841-1928) and Simon (b. 1844) Bowman, children of Samuel W. Bowman. A more complete family tree is included in file 1 of the fonds.

Fonds consists of material relating to the life and activities, both business and personal, of Albert L. Breithaupt from his 18th year on. Includes correspondence in German from his mother, Catharine Hailer Breithaupt. Includes correspondence, diaries, legal and financial documents, ephemera and photographs.