Two penny blue (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Two penny blue" in English language version.

refsWebsite

Global rank English rank

1web.archive.org

1^st place

1^st place

1stevenallenstamps.com

low place

low place

1warwickandwarwick.com

low place

low place

low place

low place

6^th place

6^th place

2^nd place

2^nd place

archive.org

Beal, Peter (2008). A dictionary of English manuscript terminology, 1450–2000. Oxford: Oxford University Press. p. 426. doi:10.1093/acref/9780199576128.001.0001. ISBN 978-0-19-957612-8.

doi.org

Beal, Peter (2008). A dictionary of English manuscript terminology, 1450–2000. Oxford: Oxford University Press. p. 426. doi:10.1093/acref/9780199576128.001.0001. ISBN 978-0-19-957612-8.

linns.com

"A guide to identifying 2-penny blue line-engraved issues of 1840-80". Linns Stamp News.

stevenallenstamps.com

"1840 2d and 1841 2d a plating aid". Steven Allen British and Colonial Stamps. Archived from the original on 29 June 2014. Retrieved 7 April 2015.

warwickandwarwick.com

"The COMPLETE Two Penny Blue stamp guide (value, history, rarity & legacy)". www.warwickandwarwick.com.

web.archive.org

"1840 2d and 1841 2d a plating aid". Steven Allen British and Colonial Stamps. Archived from the original on 29 June 2014. Retrieved 7 April 2015.