These crawls are part of an effort to archive pages as they are created and archive the pages that they refer to. That way, as the pages that are referenced are changed or taken from the web, a link to the version that was live when the page was written will be preserved.
Then the Internet Archive hopes that references to these archived pages will be put in place of a link that would be otherwise be broken, or a companion link to allow people to see what was originally intended by a page's authors.
This is a collection of web page captures from links added to, or changed on, Wikipedia pages. The idea is to bring a reliability to Wikipedia outlinks so that if the pages referenced by Wikipedia articles are changed, or go away, a reader can permanently find what was originally referred to.
The Wayback Machine - https://web.archive.org/web/20151008045145/http://portail.atilf.fr/cgi-bin/getobject_?a.72:155./var/artfla/encyclopedie/textdata/image/
ENCYCLOPÉDIE OU DICTIONNAIRE RAISONNÉ DES SCIENCES, DES ARTS ET DES MÉTIERS
MANSOURE ou MASSOURE, (Géogr.) forte
ville d'Egypte qui renferme plusieurs belles mosquées;
c'est la residence du cascief de Dékalie. Elle
est sur le bord oriental du Nil, près de Damiete.
C'est dans son voisinage qu'en 1249 se livra le combat
entre l'armée des Sarrasins & celle de S. Louis,
qui fut suivie de la prise de ce prince & de la perte
de Damiete. Long. 49. 35. lat. 27. (D.J.)
The Project for American and French Research on the Treasury of the
French Language (ARTFL) is a cooperative enterprise of Analyse et
Traitement Informatique de la Langue Française (ATILF) of the
Centre National de la Recherche Scientifique (CNRS), the Division
of the Humanities, the Division of the Social Sciences, and Electronic
Text Services (ETS) of the University of Chicago.