File(s): File format is application/pdf https://files.stlouisfed.org/files/htdocs/publications/review/68/07/Money_July1968.pdf

File(s): https://fraser.stlouisfed.org/scribd/?toc_id=499556&filepath=/docs/publications/frbslreview/rev_stls_196807.pdf&start_page=9#scribd-open