Ingo Sommer has written:
'Die Stadt der 500,000' -- subject(s): Architecture, Buildings, structures, City planning, History, National socialism and architecture
Ingo Mose has written: 'Eigenst\\'
Ingo Klitzsch has written: 'Die \\'
Ingo Rechenberg has written: 'Evolutionsstrategie '94'
Ingo Schramm has written: 'Entzweigesperrt' 'Fitchers Blau'
Ingo A. Schulz has written: 'Typisch Mensch' 'Mensch Otto'
Siegfried Sommer has written: 'Marile Kosemund'
Hartmut Sommer has written: 'Die grossen Mystiker'
Ingo Hessel has written: 'Inuit art' -- subject(s): Inuit art
Ingo Stader has written: 'Herrschaft durch Verflechtung' -- subject(s): History
Ingo Gildenhard has written: 'Creative eloquence' -- subject(s): Criticism and interpretation
Herbert Sommer has written: 'Franz Schuster, 1892-1972'
Ingo Keilitz has written: 'The insanity defense and its alternatives' -- subject(s): Insanity, Jurisprudence