by Royal Botanic Society (LONDON)

1841

by Royal Automobile Club (Great Britain)

1905

by Royal Botanic Garden, Edinburgh

1917

by Royal Botanical Gardens, Peradeniya

1897

by Royal Horticultural Society (Great Britain)

1919

by Royal Institute of British Architects

1926

by Royal Colonial Institute (Great Britain)

1906

by Royal Academy of Arts (Great Britain)

1844

by Royal Commission for het Chicago Exhibition, 1893 (London)

1893

by Royal Institute of Chemistry

1901

by Royal Academy of Arts (Great Britain)

1838

by Great Britain. Royal Commission on National Museums and Galleries

1928