Abel, Carl Friedrich
9 sonatas for viola da gamba and basso continuo (ZadA 2:50, 2:61, 2:67, 2:69-2:74, WKO deest)
PL-Pu 7836 (Maltzan collection), pp. 63–66, 111–116, 123–128, 137-171.
Moreover the manuscript contains 3 sonatas for viola da gamba and bc which are concordant with the sonatas nn. 2, 4 and 6 in Easy Sonatas (ZadA 2:2, 2:4, 2:6, WKO 142, 144, 145).
The sonata in A major ZadA 2:61 is concordant in the two last movements with the sonata n. 5 in Easy Sonatas (ZadA 2:5), but has a different first movement.
The sonata ZadA 2:50 is found also in D-LEb I.A139 Kulukundis, no. 13.
The sonata in G major ZadA 2:72 is concordant with the sonata for cello and bass WKO 147.
ZadA: Peter Holman and Günter von Zadow, Charles Frederick Abel’s Viola da Gamba Music: A New Catalogue, Second Revised Version, «The Viola da Gamba Society Journal», Vol. 11 (2017), pp. 73–136 (previous version: Peter Holman, Charles Frederick Abel’s Viola da Gamba Music: A New Catalogue, Revised Version, «The Viola da Gamba Society Journal», 8, 2014, pp. 77-117).
WKO: Walter Knape, Bibliographisch-thematisches Verzeichnis der Kompositionen von Karl Friedrich Abel, Cuxhaven, 1971
http://www.guentersberg.de/pdf-referate/abel-new-cat-2nd-revision.pdf
Sonia Wronkowska, Newly discovered works for viola da gamba by Carl Friedrich Abel: the Maltzan Collection, «Early Music», Volume 46, Issue 2, May 2018, pp. 271–284.