27a. Working in bonds needs reliable fellow settling
BRICKLAYER
Reliable fellow = BRICK + fellow settling = LAYER
In bricklaying, the bond is the pattern in which the bricks are set
19d. Truck coming and going
TRAFFIC
Truck = exchange/barter = a coming-and-going = TRAFFIC
8d. Anatole with society girl
FRANCES
Anatole FRANCE = French author + S for society