Suthers, Roderick A. editor. Fitch, W. Tecumseh. editor. Fay, Richard R. editor. Popper, Arthur N. editor. SpringerLink (Online service)

Bass, Andrew H. editor. Sisneros, Joseph A. editor. Popper, Arthur N. editor. (orcid)0000-0002-0312-7125 Fay, Richard R. editor. SpringerLink (Online service)

Narins, Peter M. editor. Feng, Albert S. editor. Fay, Richard R. editor. Popper, Arthur N. editor. SpringerLink (Online service)

Bullock, Theodore H. editor. Hopkins, Carl D. editor. Popper, Arthur N. editor. Fay, Richard R. editor. SpringerLink (Online service)