| DATE | LOCATION | CITATION | TEXT INDEX ENTRY | 1783.10.04 | New York | CITATION | Keyboard music, for sale at No 43 Wall Street, composers listed | 1743.06.16 | Leiden | CITATION | Keyboard player, in Leiden, girl of 10 an accomplished musician | 1759.12.13 | Philadelphia | CITATION | Keyboard, voluntaries and lessons, for sale by Hillegas, Michael | 1759.12.27 | Philadelphia | CITATION | Keyboard, voluntaries and lessons, for sale by Hillegas, Michael |