1. Autumn Leaves, “Not Phillip Kerr.”Amazon, 4 November 2019. https://www.amazon.com/Babylon-Berlin-Book-Gereon-Mystery/dp/1250187044/ref=pd_sbs_1/141-5047596-7149550?pd_rd_w=RyM1i&pf_rd_p=690958f6-2825-419e-9c16-73ffd4055b65&pf_rd_r=DPSFQPCPNMRQWH4DDDS3&pd_rd_r=3d074ea9-c2b4-4c42-b1a4-0d3b3aef337c&pd_rd_wg=K7nCe&pd_rd_i=1250187044&psc=1#customerReviews. Accessed 14 Aug. 2021.
2. Babylon Berlin. Created by Tom Tykwer, Achim von Borries, Henk Handloegten. Sky 1, Das Erste: X Filme Creative Pool, 2017.