Polk's Bank Directory
- The Bankers Encyclopedia, 1895-1922
- Polk's Bankers Encyclopedia, 1924-1951
In order to aid in the retrieval of information from this publication, significant tables, charts, and/or articles have been extracted and can be viewed individually or across a span of issues.
Also cited as "Purple Book."
Bankers Encyclopedia Co.
- oclc: 6843828
- oclc: 227519675
R.L. Polk & Co. Polk's Bank Directory. Chicago: Bankers Encyclopedia Co., 1905-1907. https://fraser.stlouisfed.org/title/6258, accessed on February 28, 2021.