Christian's sculptures were included in Documenta 5, when he was only nineteen years old, and he had his first one-person show at the Kunsthalle Düsseldorf, in 1973.

2020 the Kunstmuseum Bochum showed earth sculptures from the 1970s in the solo exhibition 'Abraham David Christian ERDE'.

Geometrical and shape-of-life forms reference the traditions of Eastern, Western, African and American cultures, even as they remain perfectly unique unto themselves.

His paper and bronze sculptures convene the spirits of Renaissance art (Donatello and Michelangelo), the Classical abstract art of the avantgarde in the twentieth century (Giacometti, Brancusi, and David Smith), the most (so-called) ‘primitive’ objects from the smallest villages in Africa, and the most (so-called) ‘refined’ goddess or Buddha from India, Southeast Asia, or Japan.

The Language of Man', at the Neues Museum Weserburg Bremen and Von der Heydt-Museum Wuppertal in 2004, with essays by Thomas Deecke, Peter Friese, Hans-Jürgen Heinrichs and Richard Milazzo.

2023/2024, the Bündner Kunstmuseum Chur showed an overview of the work of the sculptor in a concentrated presentation in the exhibition 'Abraham David Christian Oltre il linguaggio/Da i'autra vart da la lingua', in rooms of the Villa Planta, designed by Peter Zumthor were designed.