Four lessons and two voluntarys for the harpsichord or organ composed by Mr. Samuel Long ...
Long, Samuel,-1764.
London : printed for and sold by the widow [i.e. Sarah Long] at Mr. Whitefoots in Hatton Garden. [sic] and Chas. and Saml. Thompson,
[1770?]
Engraved throughout, apart from the letterpress list of subscribers.
The widow = Sarah Long.
ESTC
http://galenet.galegroup.com/servlet/ECCO?c=1&locID=nlibscot&stp=Author&ste=11&af=BN&ae=T183618&tiPG=1&dd=0&dc=flc&docNum=CW106658386&vrsn=1.0&srchtp=a&d4=0.33&n=10&SU=0LRL+ OR+0LRI