$a DNB online $b (Just, Johann August. Lebensdaten: 1750-1791. Dt. Komponist, Geiger und Pianist)
670
$a Kp. Six trios [...] : oeuvre XIII / [...] par J. A. Just. - Berlin, [1781]
670
$a LCA online $b (Just, Johann August, approximately 1750-1791. (b. Gröningen c 1750; d. ?The Hague, Dec. 1791; German keyboard player, composer, violinist))