1812 History Project: Funded by the Department of Canadian Heritage, the 1812 History Project makes documents are artifacts from the War of 1812 available online. Records include: newspaper articles, personal letters, business documents, and more from various museums and archives around the world.
From Colony to Country: A Reader's Guide to Canadian Military History: From the Library and Archives of Canada comes this War of 1812 pathfinder/bibliography to help researchers find more resources on the Canadian viewpoint, including general references, military operations, aboriginal peoples, personal narratives, art, music, literature, and more.
General Society of the War of 1812: Consortium of state societies that focus on War of 1812 research and document preservation. Includes contact information for individual state societies as well as military and genealogical resources.
National Archives Military Resources: War of 1812: See resources in the National Archives on the War of 1812, including discharge certificates, genealogical records, records on impressed seamen, and more.
Ohio War of 1812 Bicentennial Commission: The web site serves two main functions. It is the official site of the Ohio War of 1812 Bicentennial Commission which provides public access to Commission activities, decisions, and documents. And it is a portal to War of 1812 information and other on-line sources.
Also, check out the library's History Databases for your research needs.