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Authors
- Haberkorn Dr. (Friedrich), 1845-1
- Haeckel, Ernst, 1834-1919, author2
- Hagen, Friedrich Wilhelm, 1814-18881
- Hahnemann, Samuel, 1755-18431
- Heath, Wynkoop & Co.1
- Heidenhain, Rudolf, 1834-18971
- Heidenhain, Rudolf, 1834-1897 author4
- Heitzmann, Louis, 1864- author1
- Hemmeter, John C. (John Conrad), 1863-1931 author1
- Hensen, Victor, 1835-1924 author3
- Hensen, Victor, 1835-1924, author1
- Hering, Constantine, 1800-18801
- Heuer, Wilhelm, 1813-1890 engraver1
- Hexamer, Adolph C.1
- His, Wilhelm, 1831-19041
- His, Wilhelm, 1831-1904 author2
- Hitzig, Eduard, 1838-1907 author1
- Hohman, Johann Georg.2
- Hufschmid, Eduard, author1