Manuscript maps showing the distribution of ethnic groups and Presbyterian churches in Chicago, 1868-1940. The manuscript title is "The effects of subsity of Presbyterian Churches", by Henry Hughes Presler, and can be found at Mansueto Library, University of Chicago under the call number BX 10999. These maps have been outlined and vectorized as the originals, and points placed for location of churches as they were in the original. Call number for the maps: G4104.C6E1 1948.H6. Map Collection, Regenstein Library, University of Chicago. Map 1 - Land use and physical barriers in the Avondale Presbyterian church parish; Map 2 - Radial extension of immigrant groups in the city of Chicago, 1928; Map 3 - Locations of Presbyterian churches relation to ethnic groups in the city of Chicago, by wards, 1868; Map 4 - Locations of Presbyterian churches in relation to ethnic groups in the city of Chicago, by wards, 1884; Map 5 - Location of Presbyterian churches in relation to ethnic groups in the city of Chicago, by wards, 1898; Map 6 - Location of Presbyterian churches in relation to ethnic groups in the city of Chicago, by Census Tracts, 1910; Map 7 - Location of Presbyterian churches in relation to ethnic groups in the city of Chicago, by Census Tracts, 1920; Map 8 - Locations of Presbyterian churches and neighborhood houses in relation to ethnic groups in the city of Chicago, by Census Tracts, 1930; Map 9 - Locations of Presbyterian churches in relation to ethnic groups in the city of Chicago, by Census Tracts, 1940; Map 10 - Churches in Hinterland of Chicago Presbytery, 1940.