1770
Research in Progress
Jean Charles Delafosse (French, 1734–1789), 1780
Jean Charles Delafosse (French, 1734–1789), 1770
Jean Charles Delafosse (French, 1734–1789), 1760
Jean Charles Delafosse (French, 1734–1789), 1840
Jean Charles Delafosse (French, 1734–1789), 1860