Alabama
The Blue Book: Montgomery, Alabama, 1909 - 10 - Internet Archive
Colorado
Society Blue Book of Colorado Springs and Vicinity, 1903 - FamilySearch
The Colorado Blue Book for 1891 - Internet Archive
Connecticut
New Haven Blue Book, 1894 - HathiTrust Digital Library
The Hartford and Northern Connecticut Blue Book, 1929 - FamilySearch
The Social Register of Hartford, Connecticut: 1931 - 1932 - HathiTrust Digital Library
Florida
The Blue Book and History of Pioneers, Tampa Florida, 1914 - Internet Archive
Palm Beach Social Directory 1924 - Internet Archive
Indiana
The Blue Book of Indianapolis: A Social Directory and Club List, 1894 - Internet Archive
The Greater Indianapolis Blue Book: 1898-9 - Internet Archive
The Indianapolis Blue Book, 1910 - Internet Archive
The Indianapolis Blue Book, 1913 - Internet Archive
The Indianapolis Blue Book, 1916 - Internet Archive
The Indianapolis Blue Book, 1918 - Internet Archive
The Indianapolis Blue Book, 1921 - Internet Archive
The Indianapolis Society Blue Book, 1924 - Google Books
Lake County Blue Book, 1897-98 - Internet Archive
Iowa
The Blue Book of Des Moines, Iowa, 1897 - 1898 - Internet Archive
The Lake Region Blue Book and Club Directory of Spirit Lake and Vicinity, 1906 - FamilySearch
Louisiana
Social Register, New Orleans, 1920 - HathiTrust Digital Library
Social Register, New Orleans, 1922 - HathiTrust Digital Library
Michigan
Detroit Blue Book, 1885 - HathiTrust Digital Library
Social Register, Detroit, 1919 (November, 1918) - HathiTrust Digital Library
Social Register, Detroit, 1920 - HathiTrust Digital Library
Social Register, Detroit, 1922 - HathiTrust Digital Library
The Grand Rapids Society Blue Book: Elite Family Directory Club Membership: 1905 Winter Season 1906 - Internet Archive
Minnesota
The Dual City Blue Book (St.Paul and Minneapolis) 1893 - 1894 - Internet Archive
New Jersey
Dau’s New Jersey Blue Book, 1910 - FamilySearch
North Carolina
North Carolina Blue Book, 1918 - Internet Archive
Oklahoma
The Standard Blue Book of Oklahoma, 1910 - 1911 - HathiTrust Digital Library
Oregon
The Blue Book of Portland and adjacent cities, 1921 - HathiTrust Digital Library
The Haut Ton Directory of Portland Oregon, 1888 - HathiTrust Digital Library
Rhode Island
(Newport Social Index - missing)
(Newport Social Register - missing)
Texas
The Galveston Blue Book, A Society Directory, 1896 - FamilySearch
The Standard Blue Book of Texas, 1912 - 14 - HathiTrust Digital Library
The Standard Blue Book: Texas Edition, 1920 - Internet Archive
Washington
Social Register, Seattle, 1915-16 - HathiTrust Digital Library
Social Register, Seattle, 1919 - HathiTrust Digital Library
Social Register, Seattle, 1920 - HathiTrust Digital Library
Social Register, Seattle, 1922 - HathiTrust Digital Library
Washington, D.C.
Social Register, Washington, 1902 (November 1901) - HathiTrust Digital Library
Social Register, Washington, 1903 - HathiTrust Digital Library
Social Register, Washington, 1904 - HathiTrust Digital Library
Social Register, Washington, 1905 - HathiTrust Digital Library
Social Register, Washington, 1906 - HathiTrust Digital Library
Social Register, Washington, 1907 - HathiTrust Digital Library
Social Register, Washington, 1909 - HathiTrust Digital Library
Social Register, Washington, 1910 - HathiTrust Digital Library
Social Register, Washington, 1911 - HathiTrust Digital Library
Social Register, Washington, 1912 - HathiTrust Digital Library
Social Register, Washington, 1913 - HathiTrust Digital Library
Social Register, Washington, 1914 - HathiTrust Digital Library
Social Register, Washington, 1915 - HathiTrust Digital Library
Social Register, Washington, 1916 - HathiTrust Digital Library
Social Register, Washington, 1918 - HathiTrust Digital Library
Social Register, Washington, 1919 - HathiTrust Digital Library
Social Register, Washington, 1922 - HathiTrust Digital Library
Wisconsin
Milwaukee Elite Directory: Society and Club Lists, 1891 - 1892 - HathiTrust Digital Library
The Blue Book of the State of Wisconsin, 1893 - Internet Archive
The Blue Book of the State of Wisconsin, 1889 - Internet Archive
The Milwaukee List, 1958 - HathiTrust Digital Library
The Wisconsin Blue Book, 1919 - Internet Archive
California - Illinois - Maryland - Massachusetts - Missouri - New York - Ohio - Pennsylvania
All Other States (including Alabama, Colorado, Connecticut, Florida, Indiana, Iowa, Louisiana, Michigan, New Jersey, North Carolina, Oklahoma, Oregon, Rhode Island, Texas, Washington State, Washington D.C., Wisconsin)
National or Multiple States (including the Summer Social Register and others)