Special strengths of the collection include historical and contemporary documentation of the 1871 Chicago Fire, a series of Chicago maps dating back to 1835, and early West and South Side Park Commission reports and maps.
The intellectual arrangement of Chicago City-Wide is topical.
Researchers should be aware that the arrangement of these materials is by Township, Range, and Section Number. Material in this series relates to libraries in Chicago, public and private.
Supplement 2, Series 9: Libraries | Supplement 3, Series 9: Libraries | Photographs, Series 9: Libraries Material in this series does not fit neatly into other series as defined.
Where appropriate, the provenance of individual items has been noted on folders.
Provenance information for Supplements 1-4, and for the Collection's photographs, is provided in their respective Scope and Content notes.
The Chicago City-Wide Collection contains materials that overlap several neighborhoods.
All material has been sorted into one of several series, described below.
Certain items in the collection inherently fall through the cracks between these categories; for example, a 1923 map of the Chicago underworld is filed under "Clubs and Organizations" (See Oversize Folder 7).