Scope and Contents: This collection has been organized into six series: Constitution, Bylaws, and letters of certification; Financial records; Meeting minutes; Membership; Programs; and Publications.
The Constitution, bylaws, and letters of certification series (1880-1890 and undated) includes several versions of the Phrenokosmian Society constitution and bylaws in both English and Swedish, as well as a letter and certificate of organization from Secretary of the State of Illinois.
The Financial records series (1867-1916) includes Treasurer's books, dues books, and receipts.
The Meeting minutes series (1877-1924) contains the minutes from meetings between 1877 and 1924.
The Membership series (1886-1914) consists of an attendance book and membership lists.
The Programs series (1860-1914) includes a list of program topics arranged by date as well as printed programs from various events.
The Publication series (1874-1913) consists of every issue of the weekly newsletter the Phrenokosmiana. This newsletter was handwritten in both Swedish and English.