Spencer, Leonard James Associated date(s): 1870- The mineral kingdom v.1 [Text] (1912) Brauns, R.; Spencer, Leonard James J. F. Schreiber 1912 Read more about The mineral kingdom v.1 [Text] (1912)
Associated date(s): 1870- The mineral kingdom v.1 [Text] (1912) Brauns, R.; Spencer, Leonard James J. F. Schreiber 1912 Read more about The mineral kingdom v.1 [Text] (1912)
![Cover of The mineral kingdom v.1 [Text] (1912)](https://library.si.edu/sites/default/files/styles/book_cover_small/public/books/covers/mineralkingdom11912brau_cover.jpg?itok=cXRJLmed "Cover of The mineral kingdom v.1 [Text] (1912)")