This monumental work consists of 1,589 panels of uniform size and format. The work transcribes epochs of time and text into schematic, visual symbols, tracing one hundred years of history with images that include texts and vast numbers of photographs and postcards, many bearing handwritten notes and quotations.

Bibliography

Bordaz, Jean-Pierre. "Hanne Darboven-or the Dimension of Time and Culture." Parkett 10 (1986), pp. 104-111.

Dickel, Hans. "Hanne Darboven, Bismarckzeit, 1978." Kunst + Unterricht, no. 121 (1988), pp. 52-54.

Hanne Darboven: Primitive Zeit/Uhrzeit: Primitive Time/Clock Time. Philadelphia: Goldie Paley Gallery, Moore College of Art and Design, 1990.

Lippard, Lucy. "Deep in Numbers." Artforum 12, no. 2 (October 1973),pp. 35-39.

Pohlen, Annelie. "Hanne Darboven's Time: The Content of Consciousness." Artforum 21, no. 8 (April 1983), pp. 52-53.

Van Bruggen, Coosje. "Today Crossed Out, an Introduction by Coosje van Bruggen to Today, a Project by Hanne Darboven." Artforum 26, no. 5 (January 1988), pp. 70-73.