Material description : 1 vol. (253 p.)Edition : Reading (Penn.) : Fantasy press , cop. 1955
the science of science fiction writing
Material description : 1 vol. (104 p.)Edition : Chicago : Advent publishers , 1964
The Virtual International Authority File (VIAF) is an international authority file. It is a joint project of several national libraries
IdRef is the authority database (author, title) of the union catalogue for France's higher education libraries (SUDOC)
ISNI is an international certified number (ISO 27729) that uniquely identifies persons and organisations.