Worek ("Sack") (1939) — Polish naval defence of the Polish coast Rainbow War Plans (1920s–30s) — Global US War planning between the World Wars.
Worek ("Sack") (1939) — Angkatan Laut Polandia: pertahanan pantai Polandia Rainbow War Plans (1920s-30s) — Perencanaan global Perang AS antara Perang Dunia.