SIPRI - Stockholm International Peace Research Institute
The website provides access to several military-related databases, including arms transfers, arms industry, and military expenditures.
The SIPRI Yearbook is not subscribed to via this website, but is available in the AAC reference collection (Ref. UA 10.I55). https://du.primo.exlibrisgroup.com/permalink/01UODE_INST/1shk5gq/alma991026069379702766.