German submarine U 152 under repair at the Kaiserliche Werft, Kiel, Germany in 1918

A list dealing dated 12 July 1918 reported the status of work on the submarines expected on 14 July. Work started on 26 April. Planned completion on 7 July. Description of the work maintenance. Remarks expired on 9 July.

Source

Bundesarchiv RM 3-11254.