URL: www.sil.si.edu/ ... http://www.sil.si.edu/smithsoniancontributions/AnnalsofFlight/
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q27715444
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/qkfq2jplyjditddxqlrhtkgnmy
URL: www.sil.si.edu/ ... http://www.sil.si.edu/smithsoniancontributions/AnnalsofFlight/
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q27715444
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/qkfq2jplyjditddxqlrhtkgnmy
Google: www.google.com/ ... https://www.google.com/search?q=ISSN+"0081-0207"
Bing: www.bing.com/se ... https://www.bing.com/search?q=ISSN+%220081-0207%22
Yahoo: search.yahoo.co ... https://search.yahoo.com/search?p=ISSN%20%220081-0207%22