Title: Daugavgrīvas cietokšņa būvvēsture
First published: 2007
Subjects: Fortification, History
Places: Daugavgrīvas cietoksnis (Rīga, Latvia), Latvia, Latvia) Daugavgrīvas cietoksnis (Rīga, Rīga
LC classification: UG430.R53 O84 2007