AM Explorer will allow you to search across all of the AM unique primary source collections in a single search.
All collections on the Proquest platform can be crossed searched, including the primary source collections.
For best results, use the Source Types filter on the main search page and choose the type of material you're looking for, for example: Archival Materials; Historical Newspapers; Historical Periodicals; Pamphlets & Ephemeral Works for primary source material.
