Hodgson, II, pp. 93-99.

Maire, pp. 112-116.

(5) Varnish.

Shellac.

Maire, pp. 73-80, 101-111.

Journal, Soc. Arts, 49: 192.

Ency. Brit., Vol. XIV, "Lac."

Hodgson, II, pp. 66-93.

Inter. Encyc., Vol. X, "Lac."

Oil Varnish.