WEEB473-4 through -22, -24 through -35: photographer P.A.C. Rook (label)
WEEB473-23: photographer Rook (handwritten)
WEEB473-4, -6, -24: entitled Hoogstad Weeber Schulze Van Tilburg architekten bna (label)
WEEB473-7: entitled Hoogstad Weeber Schulze Van Tilburg architekten bna (stamp)