Drawings by country:

Argentina
Australia
Austria-Hungary
Brazil
Bulgaria
Canada
Chile
China
Colombia
Confederate States of America
Croatia
Denmark
East Germany
Finland
France
Germany
Great Britain
Greece
India
Indonesia
Iran
Iraq
Israel
Italy
Japan
Myanmar
NATO
Netherlands
Norway
Panama
Peru
Philippines
Poland
Portugal
Romania
Russia
Singapore
South Africa
South Korea
Spain
Sweden
Taiwan
Thailand
Turkey
Ukraine
United Arab Emirates
United States
Venezuela

Drawings:

CNT Monfalcone Project N64 Design B
CNT Monfalcone Project N64 Design C
Coastal Battleship Project by Charles Doyère 2900 t Proposal A
Coastal Battleship Project by Charles Doyère 2900 t Proposal B
Coastal Battleship Project by Charles Doyère 5600 t Proposal
COEA concept 3C3 Foam Tanker
COEA FMLAC
COEA SC-21 Concept 3A2
COEA SC-21 Concept 3A3
COEA SC-21 Concept 3C1
Comandanti Medaglia d'Oro serie 1
Comandanti Medaglia d'Oro serie 1
Comandanti Medaglia d'Oro serie 2
Comandanti Medaglia d'Oro serie 2
Comandanti Medaglia d'Oro serie 3
Comandanti Medaglia d'Oro serie 3
Combattante BR65
Combattante IV-NG
Command Cruiser Study 21
Command Cruiser Study 22
Command Cruiser Study 23
Constitution as designed
Contre-Torpilleur 1939
Contre-Torpilleur 1939 design with 4 x 130 mm CAD
Convair Submersible Nuclear Ramjet