Oscar Florianus Bluemner

Glowing Night, 1924 Oscar Florianus Bluemner

Field at Sunset Oscar Florianus Bluemner

Blue Above Oscar Florianus Bluemner

Contrasts, 1934 Oscar Florianus Bluemner

View of Lehnenburg, Pennsylvania, 1914 Oscar Florianus Bluemner

New Hampshire Town, 1931 Oscar Florianus Bluemner

Flag Station, Elizabeth, New Jersey, 1925 Oscar Florianus Bluemner

Blue Above, 1935 Oscar Florianus Bluemner

Flirtation Oscar Bluhm

Flowers; Blumen, 1918-1919 Ernst Ludwig Kirchner

The Flower Market, Tokyo, 1892 Robert Frederick Blum

ose Johann Jakob Walther

Erigeron Acris; Blue Fleabane Anonymous

Florence Jameson, Reginald Switz and Alfred clarke in a scene from The Blue Moon Foulsham and Banfield

Blue note II, 2019 Alex Caminker

The blue hyacinth Franciscus Primus Jan Augustini

Oscar II Anonymous

Bluebells Assaf Frank

Osteospermum flowers Assaf Frank

Bluebells Assaf Frank

Flowers and Garden Fence; Bluhende Blumen am Gartenzaun Koloman Moser

The Connoisseur of Watercolors, 1878 Robert Frederick Blum

Odontoglossum sanderianum F. Sander

Oriental Flower, c.1890-1899 Frank Holman

Portrait of Pierius Winsemius, Professor of Rhetoric and History in Franeker Jan Maurits Quinkhard

Blumen in der Vase (Flowers in the Vase), 1929 Anonymous

Flowering Chestnut Tree in the Garden; Bluhende Kastanienbaum im Garten Koloman Moser

Oscar II., King Of Sweden And Norway Anonymous

Cypripedium hybridum youngianum F. Sander

Portrait of Franz Joseph I of Austria in Hunting Dress, 1877 Edmund Mahlknecht

Johann Strauss the Younger, Austrian composer Anonymous

Dendrobium phalaenopsis var statterianum F. Sander

Alpine Flowers by a Stream Otto Diderich Ottesen

Portrait of Alexandre Florian Joseph, Count Colonna-Walewski Auguste Lemoine

Florence Oswald Achenbach

Sisyrinchium gramineum, Sisyrinchium angustifolium; Bermudienne à petites fleurs; Blue-eyed Grass Pierre Joseph Redouté