Federal Reserve Bank of Chicago. "[Modification of Circular no. 111, Cards to be Delivered to Each Subscriber of the Liberty Loan], Circular no. 111A" in Federal Reserve Bank of Chicago Bulletins and Circular Letters
(October 11, 1918).
https://fraser.stlouisfed.org/title/7180/item/655483, accessed on May 12, 2025.
@FedFRASER