1070s (English Wikipedia)

"Conrad | king of the Germans". Encyclopedia Britannica. Retrieved 31 March 2019.
"Orderic Vitalis | Norman history". Encyclopædia Britannica. Retrieved 2018-07-28.
"Lothar II (or III) | Holy Roman emperor". Encyclopædia Britannica. Retrieved 2018-07-28.
"Alexander II | pope". Encyclopædia Britannica. Retrieved November 30, 2020.

canterbury-cathedral.org (Global: low place; English: low place)

"The History of Canterbury Cathedral". Archived from the original on October 27, 2007. Retrieved December 23, 2007.

doi.org (Global: 2^nd place; English: 2^nd place)

Fletcher, R. A. (1987). "Reconquest and Crusade in Spain c. 1050-1150". Transactions of the Royal Historical Society. 5. 37: 31–47 [35]. doi:10.2307/3679149. JSTOR 3679149.

ghostarchive.org (Global: 32^nd place; English: 21^st place)

"Take a stroll through a piece of old England". The Independent. December 12, 2004. Archived from the original on May 1, 2022. Retrieved 28 July 2018.

independent.co.uk (Global: 36^th place; English: 33^rd place)

"Take a stroll through a piece of old England". The Independent. December 12, 2004. Archived from the original on May 1, 2022. Retrieved 28 July 2018.

jstor.org (Global: 26^th place; English: 20^th place)

Fletcher, R. A. (1987). "Reconquest and Crusade in Spain c. 1050-1150". Transactions of the Royal Historical Society. 5. 37: 31–47 [35]. doi:10.2307/3679149. JSTOR 3679149.

stanford.edu (Global: 179^th place; English: 183^rd place)

plato.stanford.edu

King, Peter (2015). "Peter Abelard". The Stanford Encyclopedia of Philosophy. Metaphysics Research Lab, Stanford University. Retrieved 28 July 2018.

unirioja.es (Global: 1,252^nd place; English: 3,384^th place)

dialnet.unirioja.es

Canellas, Angel (1951). "Las Cruzadas de Aragon en el Siglo XI". Argensola: Revista de Ciencias Sociales del Instituto de Estudios Altoaragoneses. 7. ISSN 0518-4088. Archived from the original on July 15, 2014. Retrieved February 22, 2012.
Canellas, Angel (1951). "Las Cruzadas de Aragon en el Siglo XI". Argensola: Revista de Ciencias Sociales del Instituto de Estudios Altoaragoneses. 7. ISSN 0518-4088. Archived from the original on July 15, 2014. Retrieved February 22, 2012.

web.archive.org (Global: 1^st place; English: 1^st place)

"The History of Canterbury Cathedral". Archived from the original on October 27, 2007. Retrieved December 23, 2007.
Canellas, Angel (1951). "Las Cruzadas de Aragon en el Siglo XI". Argensola: Revista de Ciencias Sociales del Instituto de Estudios Altoaragoneses. 7. ISSN 0518-4088. Archived from the original on July 15, 2014. Retrieved February 22, 2012.
Canellas, Angel (1951). "Las Cruzadas de Aragon en el Siglo XI". Argensola: Revista de Ciencias Sociales del Instituto de Estudios Altoaragoneses. 7. ISSN 0518-4088. Archived from the original on July 15, 2014. Retrieved February 22, 2012.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Canellas, Angel (1951). "Las Cruzadas de Aragon en el Siglo XI". Argensola: Revista de Ciencias Sociales del Instituto de Estudios Altoaragoneses. 7. ISSN 0518-4088. Archived from the original on July 15, 2014. Retrieved February 22, 2012.
Canellas, Angel (1951). "Las Cruzadas de Aragon en el Siglo XI". Argensola: Revista de Ciencias Sociales del Instituto de Estudios Altoaragoneses. 7. ISSN 0518-4088. Archived from the original on July 15, 2014. Retrieved February 22, 2012.

1070s (English Wikipedia)

archive.org (Global: 6th place; English: 6th place)

bbc.co.uk (Global: 8th place; English: 10th place)

books.google.com (Global: 3rd place; English: 3rd place)

britannica.com (Global: 40th place; English: 58th place)

canterbury-cathedral.org (Global: low place; English: low place)

doi.org (Global: 2nd place; English: 2nd place)

ghostarchive.org (Global: 32nd place; English: 21st place)

independent.co.uk (Global: 36th place; English: 33rd place)

jstor.org (Global: 26th place; English: 20th place)

stanford.edu (Global: 179th place; English: 183rd place)

plato.stanford.edu

unirioja.es (Global: 1,252nd place; English: 3,384th place)

dialnet.unirioja.es

web.archive.org (Global: 1st place; English: 1st place)

worldcat.org (Global: 5th place; English: 5th place)

search.worldcat.org

archive.org (Global: 6^th place; English: 6^th place)

bbc.co.uk (Global: 8^th place; English: 10^th place)

books.google.com (Global: 3^rd place; English: 3^rd place)

britannica.com (Global: 40^th place; English: 58^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

ghostarchive.org (Global: 32^nd place; English: 21^st place)

independent.co.uk (Global: 36^th place; English: 33^rd place)

jstor.org (Global: 26^th place; English: 20^th place)

stanford.edu (Global: 179^th place; English: 183^rd place)

unirioja.es (Global: 1,252^nd place; English: 3,384^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

worldcat.org (Global: 5^th place; English: 5^th place)