URL: purl.access.gpo ... http://purl.access.gpo.gov/GPO/LPS57310
Wikipedia: en.wikipedia.or ... https://en.wikipedia.org/wiki/Prologue_(magazine)
SUDOC: www.sudoc.fr/03 ... http://www.sudoc.fr/038778068
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q7249639
KEEPERS link: catalog.hathitr ... https://catalog.hathitrust.org/Record/000640375
KEEPERS link: catalog.hathitr ... https://catalog.hathitrust.org/Record/100833654
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/a434qnf2anbxxlznkym5wgye5i
URL: purl.access.gpo ... http://purl.access.gpo.gov/GPO/LPS57310
Wikipedia: en.wikipedia.or ... https://en.wikipedia.org/wiki/Prologue_(magazine)
SUDOC: www.sudoc.fr/03 ... http://www.sudoc.fr/038778068
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q7249639
KEEPERS link: catalog.hathitr ... https://catalog.hathitrust.org/Record/000640375
KEEPERS link: catalog.hathitr ... https://catalog.hathitrust.org/Record/100833654
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/a434qnf2anbxxlznkym5wgye5i
Google: www.google.com/ ... https://www.google.com/search?q=ISSN+"0033-1031"
Bing: www.bing.com/se ... https://www.bing.com/search?q=ISSN+%220033-1031%22
Yahoo: search.yahoo.co ... https://search.yahoo.com/search?p=ISSN%20%220033-1031%22