Fonds reflects the architectural practice of William Coverdale and his son William Miles Coverdale and is comprised of correspondence, financial records, design submissions and specifications, estimates, and reports relating various projects including the Criminal Lunatic Asylum, better known as Rockwood Asylum at Kingston, Ontario. Also includes photographs of the summer home of William Hugh Coverdale at Lemoine's Point Farm.

The fonds consists of 7 miscellaneous, unidentified architectural drawings

The collection consists of drawings and plans by Andrew Drummond, George Browne, Thomas Rogers, Joseph Power, Robert Gage, John Howard, A.H. Van Straubezee, R. McCausland, Edward Horsey, Shepherd & Calvin, and others. Includes drawings of Cataraqui bridge.

The collection consists of copied plans for Kingston town hall and Kingston market house as well as a house plan on St. Denis Street in Montreal for the Heirs Hunt. There is one original set of plans, attributed to George Browne, for the Bank of Montreal (Frontenac Club) on King Street, Kingston.

The fonds consists of twenty-five architectural drawings and five architectural books documenting a variety of projects in which Gage was involved in Kingston, Ontario. A number of the unsigned drawings have more recently been attributed to other architects working in the area at the time such as Edward Horsey, William Newlands and William Coverdale, but may have been maintained as a part of Gage's collection of drawings as reference material.

The fonds consists of architectural drawings executed in water colour of floor plans, cross sections and back elevation for Criminal Lunatic Jail, Kingston (later Kingston Psychiatric Hospital) ca. 1850 by Montreal architectural firm Hopkins, Lawford and Nelson. This proposed design was never instituted.

The fonds consists of copies of architectural drawings, including drawings for St. George's Cathedral, St. George's Hall, Canadian Methodist Church, Congregational Church, First Methodist Church, Gananoque High School, Grace Methodist Church, Kingston Collegiate Institute, Kingston Whig Standard, Kingston Yacht Club, Louise School, Orange hall, Sydenham High School, Wall Street Methodist Church, and Windsor Hotel, Kingston, Ont. There are also two drawings by T.W. Fuller that may be St. George's Hall.

Collection consists of architectural and construction drawings of Kingston buildings designed by local architects including Power and Son, Robert Gage, William Newlands, Jr., and Arthur Ellis.

The drawings represent heritage buildings in many towns and regions in southern Ontario such as Adolphustown, Bath, Claireville, Cobourg, Cornwall, Grafton, Islington, Kingston, Niagara-on-the-Lake, Perth, Port Hope and Toronto. Two northern towns are represented by North Bay and Penetanguishene. The drawings represent a variety of structures from churches, clubs and rectories to commerical buildings, factories and mills. The material is organized alphabetically according to town or region.

The fonds consists of nearly 1200 drawings, blueprints, and specifications spanning the career of Kingston architect William Newlands, from 1882 until his death in 1926. The subject matter of most of the material is specific to Kingston and all facets of enterprise in Kingston are represented - dwellings, businesses, schools, hospitals, churches, charitable institutions and government institutions.