Queen's University's archive has published a large collection of digitized maps of Kingston. A few important one are linked below, but more are available from their archival Qspace collection.
"Copy of part of a plan of the town of Kingston shewing the military reservations signed Chewitt & Ridout Act'g Surveyors Gen'l. dated, York, 5th Oct. 1810"
"Kingston and environs with tables of references to government buildings in Kingston, Point Frederick and Point Henry; nature of ordnance mounted at Kingston & vicinity."
Shows Kingston about the turn of the twentieth century. Public buildings are blocked in, wharves and principal buildings are named.
Legend of Queen's University Buildings. Streets and railways are shown. From the University of Toronto, Department of Geography. The locations and names of the railways indicate that this map was drawn circa 1915.
"Plan of part of lot no. XXII. 1st concession, now within the liberties of Kingston. Shewing town and villa lots the property of John Counter, and Alexander Campbell, Esqires"
"Plan of part of the city of Kingston shewing more particularly the manner in which park lot no. 2 is laid out into streets and building lots, being the property of John Counter"
"Plan of the Town of Kingston, shewing its environs three miles on the east and west sides there of; and six miles to the northward of said town"
"Sketch of proposed improvements for Kingston now the capital of Canada: submitted to the consideration of all Her Majesty's subjects by their humble servt"