One-Man Exhibitions "Selection":

1976-1977 - People's Art Hall at Damascus, National Museum of Aleppo.
1987 -Vienna, Palffy Palace "Art Salon"
1989 - Vienna, Austrian Central Bank; Art Gallery Chicago; Lyzon Art Gallery Tennessee, Nashville; Gallery Kral, San Francisco; Gallery Arnot, New York; Gallery Ambassador, New York.
1990 - Gallery L'Atelier, Vienna; Gallery Celeste, Vienna; Art House, Göttingen, Germany.
1991 - Gallery Frankenstein, Berlin.
1992 - Wally Findlay Galleries, New York and Paris.
1993 - Gallery Art Forum, International Contemporary Art, Vienna; AI-Sayed Art Gallery/Assad Library, Damascus.
1994-1998 - Wally Findlay Galleries, New York, Chicago, Palm Beach, Florida.
2000 - Green Art Gallery - Dubai.
2000 - Wally Findlay Gallery - Palm Beach. 2002 - Rochan Gallery - Jeddah.

International and Group Exhibitions "Selection":

1980-1992 - Exhibitions of the General Federation of Austrian Artists, in Austria and abroad.
1985 - World Exhibition of the United Nations Office, Vienna.
1989 - Art Festival Messepalast, Vienna; The First Arab Art Festival; Art House, Göttingen, Germany.
1985-1993 - The Annual World Art Fair, Frankfurt, Germany.
1989 - International Fair of Contemporary Arts (Madrid Arco 89), Spain.
1990 - International Fair of Contemporary Arts (Milano EXPO 90), Italy
1991 - Art Jonction International, Nice, France.
1992 - Bolognafiere (Contemporary Art Festival), Bologna, Italy; Auro Art, Verona; Künstlerhaus, Graz; EXPO Sevilla, Spain; Friendship and Peace Festival, Latakia, Syria.
1993 - International Fair of Contemporary Art (Budapest Art Expo 93). 1993 - Gallery Breitenbach, Una, Germany.
1994-1997 - International Art Fair, Frankfurt, Germany; Second International Festival of Sharjah. 1999 - Informelle Tendenzen im "Künstlerhaus", Vienna.
2001 - Cairo, Biennale.
2001 - Artuell, Beirut / Atassi Gallery Damas 2002.
2002 - History Museum Vienna - Rathaus / New York Art Fair. 2003 - National Museum Cracow, Poland
2003-Tehran Museum of Modern Arts -
2004 Art NY - USA

Books and articles on his works:
- "Malva" Omar Hamdi, Life and Color, in Arabic, Damascus, 1976.
- "Malva" Omar Hamdi, Life and Work, in German, Vienna 1987, by Dr. S. Kaiser.
- Malva, A Critical Study, in English and German by Nikolai Meikofski, published in 1991 by the
Art Gallery, New York.
- Malva, Impressionist Works, in English, published by Gallery Arnot, New York, 1991; in German
by Gallery L'Atelier, A Critical and Analytical Study by Andre Manzano.
- Malva, Omar Hamdi, 20 years of Oil Painting, Art Forum, Vienna, 1994.
- Bachar - Malva, Atlas Production, 1992, in French and English, for the Bolognafiere, Italy. - Dictionary of World Artistic Criticism, 1999 in English, Flash Art Publishing.
- International Directory of Arts, Galleries and Museums, 1991-1992, in German, Art Address,
Frankfurt.
- Several wall annual Calendars and exhibition-catalogues.
- A Volume of 12 Paintings, published by the International Aid Organization in Venice, Italy, Comune di Padova, Progetto Giovanni, 1992.