Royal Navy | Royal Air Force | Black Sea | Mediterranean Sea | Royal Dutch Shell | Royal Society | Royal Albert Hall | Baltic Sea | Royal Shakespeare Company | Royal Opera House | North Sea | Royal Victorian Order | Royal Engineers | Royal Australian Navy | Red Sea | Royal National Theatre | Royal Canadian Navy | Royal Canadian Air Force | Royal Court Theatre | Royal Marines | Viking | Caspian Sea | Caribbean Sea | Adriatic Sea | Royal Commission | Royal Academy of Music | Anne, Princess Royal | Royal Philharmonic Orchestra | Theatre Royal, Drury Lane | Royal Flying Corps |
Weidemann was also commissioned for a number of permanent installations, such as the stained glass in the basilica in Steinkjer, Steinkjer Church (1965), Mai inside the concert hall at Maihaugen in Lillehammer (1967), Alf Bjerckes Fabrikker in Alnabru (1960); Norsk Hydro’s headquarters building in Oslo (1960–1961), Alfaset Chapel in Oslo (1971) and the M/S Royal Viking Sea (1973).