Letter from Stephen T. Mather to Carl T. Hayden advocating for a reduction in automobile fees for the South Rim entrance.

Man sitting on roof of Student Apse with view of pool at Cosanti in Paradise Valley, Arizona

Photograph showing south exterior view of Barrel Vaults at Cosanti in Paradise Valley, Arizona

Photograph showing aerial view of Cosanti and surrounding site in Paradise Valley, Arizona

Photograph of the Bell Tree with bronze bell windchimes at Cosanti in Paradise Valley, Arizona

Photograph of Foundry Apse under construction (1960s) at Cosanti in Paradise Valley, Arizona

Photograph showing silt-cast wall panel at the south end of Cat-Cast House at Cosanti in Paradise Valley, Arizona

Photograph showing a sculpture entitled "Il Donnone," designed by Paolo Soleri, under construction at Cosanti in Paradise Valley, Arizona

Photograph of a silt-cast pond that sat outside of Soleri's house at Cosanti in Paradise Valley, Arizona

Black and white photograph of Cat-Cast House at Cosanti in Paradise Valley, Arizona