2. BOK 3b and BOK 3d by Dieter Roth; both 1961, reprinted 1974 (as Collected Works, Vol. 7). Published by Editions Hansjorg Mayer, Stuttgart, in an edition of 1,000 copies.
http://www.moma.org/interactives/exhibitions/2013/dieter_roth/works/collected-works-volume-7-bok-3b-and-bok-3d-reconstruction-of-the-books-published-by-forlag-ed-reykjavik-1961-gesammelte-werke-band-7-bok-3b-und-bok-3d-rekonstruction-der-im-verlag-forlag-ed-re/