• UN Atlas of the Oceans

• Ezcurra & Schmidt S.A.

• International Marine Signal Flags - English Version.

• Naval Terminology - English Version.

• Semaphore Flag Signalling System - English Version.

• Transport Terminology - English Version.

• Moonrise and Down Hours

• Sunrise and Down Hours

• Tide Tables

• Unit Convertor

• World Time Zones

• Notices to Mariners in the South Atlantic

• CEADO - Argentine Center for Oceanographic Data

• CIMA - Oceanic & Atmospheric Research Center - CONICET-UBA.

• NASA General Information on Oceans

• SHN - Naval Hidrographic Service

• UBA - Science Department for Atmospheric & Oceans Studies

• Panama Canal - General Information.

• Suez Canal - General Information.

• Flags