Авторы
Andrew Halliday Ernst Theodor Amadeus Hoffmann Samuel Hahnemann John Hughes James Hammond Robert Howard Henry Home John R. Hale Aaron Hill Frans Hemsterhuis Sven Hedin Joseph Hormayr Gustavus Hippisley Friedrich Wilhelm Hemprich Alexandre Humboldt Karl Dietrich Hüllmann George C. Halvorson Jo Gottl Heinneccius Albrecht Haller Claude Adrien Helvétius Noah Hardy John Hammergren Jay H. Heyman Wayne Hart