Contains a mock-up of Guy Debord’s planned version of Situationist Times no. 1, accompanied by typescript copies in French and English, with manuscript corrections, of the text "L'absence et ses habilleurs" / "The absence and its inhabitents."
Contains documents related to the fifth Internationale Situationniste conference in Göteborg, Sweden, in August 1961, including notes and drawings by de Jong; a typescript "Propositions pour un programme d'action", and a press clipping.
Contains the ICA Bulletin no. 107 (1960 Sept./Oct.), a postcard and letter from Guy Debord; and a postcard from Asger Jorn, Guy Debord, and Hans-Peter Zimmer inviting de Jong to the ICA meeting.
BEIN 2018 873: Embroidered purple silk binding with woven carrying strap and metal clasps; carrying strap broken and embroidery worn with some loss. Edges gilded. Number 1 of 2 titles bound together, with inscription: Alethea Fabritia [i.e. Alida Fabricia?]., Engraved title page, with architectural border., Vol. 2, with title "De prophecyen der propheten", has separate title page, dated 1627, foliation, and signatures; v. 3, with title "Het Nieuwe Testament", has separate title page, foliation, and signatures., and With the Apocrypha.