I know very little on the Rev., as it pertains to Caroline Co Va.
As for the Sales family, I so not see a Samuel mentioned.
However the Sales surname is show in reference to the follwing persons:
Estelle, graduated from Mica H.S 1920
Everett & Milton graduated from Mica H.S. 1923
A.D. graduated from Mica H.S. 1924
Mason graduated from Lee-Maury H.S. 1919
W.E. was a member of the Killwinning Crosse Masonic Lodge in 1924.
Hope if helps