Question: About how many items does the library that the 53rd Street Library is a branch of contain?
Sentence (from "55th Battalion (Australia)"): This designation was later changed to the "New South Wales Rifle Regiment" in 1930, before they were once again amalgamated with the 53rd, forming the 55th/53rd Battalion (New South Wales Rifle/West Sydney Regiment) in 1937.
Relevant evidence: No