He was an author and partly also editor of numerous publications on the history of Vienna and was the director of the Wiener Stadt- und Landesarchiv [de].
In 1977 he founded the Vienna branch of the Ludwig Boltzmann Gesellschaft for urban history research, which was integrated into the City and State archives, and which he headed until his death.
His main work is the six-volume Historische Lexikon Wien published from 1992 to 2004 with about 3,700 pages and 30,000 keywords, which is regarded[by whom?]
Czeike was supported in the creation of the Historisches Lexikon Wien by the collaboration of his wife Helga, who is also mentioned as co-author in some of his other books.
His life's work includes numerous books and hundreds of other publications dealing mainly with the history of Vienna.