The citation is ambiguous. It may mean:
48 Stat. 643 (Pub. Law 73-178)
AN ACT To guarantee the bonds of the Home Owners' Loan Corporation, to amend the Home Owners' Loan Act of 1933, and for other purposes - April 27, 1934 - 643
You can view this U.S. Statutes at Large citation at these source(s):
48 Stat. 643
U.S. Statutes at Large
PDF - https://govtrackus.s3.amazonaws.com/legislink/pdf/stat/48/STATUTE-48-Pg643.pdf
also:
We also found 1 parallel citation:
48 Stat. 642 (Pub. Law 73-177)
AN ACT Granting and confirming to the East Bay Municipal Utility District, a municipal utility district of the State of California and a body corporate and politic, of said State, and a political subdivision thereof, certain lands, and for other purposes - April 27, 1934 - 642
Link is to an internal page within a statute beginning on page 642.
You can view this U.S. Statutes at Large citation at these source(s):
48 Stat. 642
U.S. Statutes at Large
PDF - https://govtrackus.s3.amazonaws.com/legislink/pdf/stat/48/STATUTE-48-Pg642.pdf
also:
We also found 1 parallel citation: