Petro (Nelly) Van Doesburg informs Louise Boyer, secretary to Nelson Rockefeller, that the tapestry has been shipped and provides certain indications on how to hang it and the credits, should it be exhibited, as well as a reminder to send a cheque.

Reference in the source Archive:
Collection RFam NAR, RG4, Series C: Art, B28-F239 "La Guernica"

© Courtesy of Rockefeller Archive Center.

Nelly Van Doesburg's letter to Louise Boyer, dated 29 December 1955