First series
edit- Volume 1
- Volume 2
- Volume 3
- Volume 4
- Volume 5
- Volume 6
- Volume 7
- Volume 8
- Volume 9
- Volume 10
- Volume 11
- Volume 12
- Volume 13
- Volume 14
Scans
editSecond series
edit- Volume 2
- Volume 17
- No. 26, December 28, 1867 Project Gutenberg
- Volume 22
- No. 1, January 1, 1870 Project Gutenberg
- Volume 24
- No. 12, March 18, 1871 Project Gutenberg
- Volume 36
- No. 8, February 24, 1877 Project Gutenberg
- Volume 39
- No. 6, August 10, 1878 Project Gutenberg
- No. 24, December 14, 1878 Project Gutenberg
- Volume 40
- No. 13, March 29, 1879 Project Gutenberg
- Volume 43
- No. 1, July 3, 1880 Project Gutenberg
- No. 25, December 18, 1880 Project Gutenberg
- Rufus Porter, November 08, 1884
Supplements
edit- Hathitrust volumes here.
- No. 275, April 9, 1881 Project Gutenberg
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- No. 1082, September 26, 1896 Project Gutenberg
- No. 1157, March 5, 1898 Project Gutenberg