Though the links above and below go to the Chicago quick guide - the full print Chicago Manual of Style is available for more complicated questions. These large print volumes can be found both at the Library Services Desk and in the Stacks.
HathiTrust contains millions pre-1930 volumes (books and magazines). Use Advanced Search which allows for truncation (*) and Boolean Operators (AND, OR, NOT)
Search the full text of over 30 million books - full view prior to 1930 and limited preview afterwards. Another good source for 19th century British publications (including magazines and newsletters).
The Chicago Manual of Style
