Even after 1967, when Jane Frank began making sculptures, grappling with new media such as plastics and metals, she maintained her ever-evolving production of mixed media paintings on canvas, virtually until the end of her life. Continuing her exploration of the possibilities of multiple-canvas, "apertured" paintings, she began to create her "Aerial Series" pieces, which came more and more explicitly to suggest landscapes seen from above. Especially noteworthy and striking are the "Night Landings" paintings, such as "Night Landings: Sambura" (1970), with the city grid glinting below like a dark jewel in a deep, nocturnal blue river valley. The 1975 Yoseloff retrospective catalogue listed below is very illuminating on these latter developments, and the color plates (which include images of some of the sculptures) are of higher quality than those in the Stanton book.