Help Me ID The Artists (Professionals) - Post 2

[morgandawn]

Click on the image for full size

1.

2. FOUND - Ruth Kurz

.

3. FOUND:  Discovered on a Rooftop Sheilah Willis!  Artist signature on the left looks like "W" or "N" "alis" 1985

4.  HINT Marking in lower right "WAP B" inside triangle (see comments below)

5.