◇ Hommes-Sandwichs Avril-Mai 1968 Travail in situ, Paris, France - Daniel Buren 1967-1969: Catalogue raisonné chronologique . Tome III
http://catalogue.danielburen.com/fr/oeuvres/1185.html?Search=1&SearchBlock=Art&art_DateFrom=1967&art_DateTo=1969
◇ PHOTO-SOUVENIRS OF DANIEL BUREN WORKS IN SITU, 1968-1975 - THE THING IS TO SEE
http://thethingistosee.com/THE_thing_is_to_see/EXHIBITION.html
◎ Daniel Buren - Art Contemporain
http://www.danielburen.com/