I have no idea for these last two, my brain has stopped working. 15a Local man accurately keeps yearbook (7) _L_A_A_ 19d Biblical city given gold by Jack the panellist (5) _U_O_
10a Silver case placed outside a religious building (6) ***O*A
1d Boy carrying a sheep to the boundary (9) *A***E*E*
18d Arthur once circled a lake (5) *U*O*