Gustave Halmhuber

German Dining Hall, early 20th century Gustave Halmhuber

Gustave Hamel Anonymous

Portrait of Gustave Flaubert Anonymous

Gustave Hamel, British aviation pioneer, 1913 Unknown

Hallstatter-See Ferdinand Georg Waldmuller

Gustave Mathieu Nadar [Gaspard Félix Tournachon]

Portrait of Gustave Flaubert Eugene Giraud

Ottokar Pays Homage to Rudolf, 1882 Anonymous

The Children of Martin Anton Heckscher: Johann Gustav Wilhelm Moritz…, 1805 Johann Heinrich Wilhelm Tischbein

Kissinger Hut, Hohe Tauern, Austria Wurthle & Sons

Halebardiers Anonymous

Gustav Pauli Max Slevogt

Portrait of Gustave Courbet Anonymous

The Late Gustave Dore's Statue Of Alexandre Dumas On The Place Malesherbes, Paris, France, 1883 Anonymous

Childebert I Gustave Levy

Charles Suisse, 1861 Gustave Courbet

Magnus Stenbock in the Battle of Helsingborg Gustaf Cederström

King Humbert I in Uniform Anonymous

Charles VI, Holy Roman Emperor, inspecting the kill of chamois deer in Eisenerz Johann Veit Hauck

Portrait of a Halberdier (Francesco Guardi?) Pontormo

The Sutler Anthonie Constantijn Govaerts

Portrait of Gustav Mahler, 1907 Photographer Austrian

Gustav Mahler, Austrian composer and conductor, 1900s Anonymous

Gustav Mahler, Austrian composer and conductor, 1900s Unknown

C. G. Neefe Illustration Anonymous

Pieter Harme Witkamp, 1816-92, Historian and geographer Hendrik Valkenburg

Abbot Suger, French abbot-statesmen Gilbert

Portrait of Gustav Mahler, 1907 Anonymous

A Hut in the Mountains, c1874 Gustave Courbet

Portrait of Gustav Mahler, 1897 Austrian Photographer

Portrait of Gustave Flaubert Pierre François Eugène Giraud

Gustave DorÚ John Watkins

Finding the Body of King Gustav II Adolf of Sweden after the Battle of Lütze, 1855 Anonymous

Portrait of Mme de Brayer or the Polish Exile, 1858 by Gustave Courbet Gustave Courbet

Portrait of Gustave Courbet Anonymous

Gustav Mahler Anton Wagner