Friedrich, J., & Lippard, L. R. (2013). Jo Baer: [on the occasion of the exhibition.] / Museum Ludwig Köln. Ed. by Julia Friedrich. With contributions by Lucy R. Lippard. König.
Lua i Stíl Chicago (17ú heag.)Friedrich, Julia, agus Lucy R. Lippard. Jo Baer: [on the Occasion of the Exhibition.] / Museum Ludwig Köln. Ed. by Julia Friedrich. With Contributions by Lucy R. Lippard. Köln: König, 2013.
Lua MLA (8ú heag.)Friedrich, Julia, agus Lucy R. Lippard. Jo Baer: [on the Occasion of the Exhibition.] / Museum Ludwig Köln. Ed. by Julia Friedrich. With Contributions by Lucy R. Lippard. König, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.