Found 2 books 
![[Gutenberg 59710] • Thirty Letters on Various Subjects, Vol. 1 (of 2)](/cover/ByDL8CmFA0VNF2_h/small/[Gutenberg%2059710]%20%e2%80%a2%20Thirty%20Letters%20on%20Various%20Subjects,%20Vol.%201%20%28of%202%29.jpg)
[en] [Gutenberg 59710] • Thirty Letters on Various Subjects, Vol. 1 (of 2) Forgotten Books
![[Gutenberg 59711] • Thirty Letters on Various Subjects, Vol. 2 (of 2)](/cover/bLnqi13FRYO195Sl/small/[Gutenberg%2059711]%20%e2%80%a2%20Thirty%20Letters%20on%20Various%20Subjects,%20Vol.%202%20%28of%202%29.jpg)
[en] [Gutenberg 59711] • Thirty Letters on Various Subjects, Vol. 2 (of 2) Forgotten Books
Found 2 books
[en] [Gutenberg 59710] • Thirty Letters on Various Subjects, Vol. 1 (of 2) Forgotten Books
[en] [Gutenberg 59711] • Thirty Letters on Various Subjects, Vol. 2 (of 2) Forgotten Books