In an effort to keep the on-screen markers as minimal as possible I’ve used the below abbreviations for sourcing.
A/DHD – Arlington-Deming Historical District
AtC – Atlas of Chicago
AC – American Contractor
BBC – Block Book of Chicago
BC – BlockClub
CBF Chi Building Footprints
CDT – Chicago Daily Tribune
CST – Chicago Sun Times
CHRS – Chicago Historical Resource Survey
CMS – Central Map Survey
CPL – Chicago Public Library
CCDR – Cook County Death Records, most likely accessed from FamilyResearch.org
CCA – Cook County Assessor
DT – Chicago Daily Times, accessed through CPL
ED – Evanston Directory
FaG – Find a Grave
GCCA – Greeley-Carlson Company’s Second Atlas of the City of Chicago
GRs- Google Reviews
GSV – Google Street View
HoC (A Andreas, 1886) – History of Chicago; from the earliest period to the present time (Alfred Andreas, 1886)
LAD – Lakeside Annual Directory
PD28 – Polk’s Directory 1928
PD23 – Polk’s Directory 1923
RAC – Robinson’s Atlas of the City of Chicago
RCS – Rascher’s Map of Chicago Suburbs
RDE – Reverse Directory of the Elite of Chicago (1880, 1883)
RM – Rascher’s Map
RLV – Rascher’s Atlas of Lake View Township
SFH – Single family home
SM – Sandborn Map Co
SPM – Sanborn-Perris Map Co
SMCCNS – Sanborn Map Cook County North Shore
YMCBD – Map of Central Business (published by Charles Yerks)