Minnesota Digital Library
- 18891,501
- 1890 to 18996,582
- 1900 to 19098,945
- 1910 to 191910,916
- 1920 to 19297,215
- 1930 to 19397,311
- 1940 to 19495,701
- 1950 to 19593,663
- 1960 to 19692,931
- 1970 to 19793,225
- 1980 to 19892,645
- 1990 to 19992,479
- 2000 to 2002492