Ancient and modern Scottish songs, heroic ballads, etc.; reprinted from the edition of 1776, with an appendix containing the pieces substituted in the edition of 1791 for omissions from that of 1776.

Mode of access: Internet.

Gabriele von Bülow, Tochter Wilhelm von Humboldts. Ein Lebensbild aus den Familienpapieren Wilhelm von Humboldts und seiner Kinder, 1791-1887.

Mode of access: Internet.