German submarine UB 123 under repair at the Kaiserliche Werft, Kiel, Germany in 1918

A list dealing dated 28 June 1918 reported the status of work on the submarines expected on 30 June. Work started on 8 June 1918. Planned completion on 19 June 1918. Description of the work remaining work. Remarks replaced on 19 June 1918.

Source

Bundesarchiv RM 3-11254.