1
Published: 1956
Superior document: Transactions of the American Philosophical Society N.S.,46,1
2
Published: [1944]
Superior document: Title is part of eBook package: De Gruyter CUP eBook Package Archive 1898-1999 (pre Pub)
3
Published: [1969]
Superior document: Title is part of eBook package: De Gruyter CUP eBook Package Archive 1898-1999 (pre Pub)
Links: Get full text; Cover