In the paper the variety of architectural styles in the early 20^th century is presented, showing examples of public utility buildings, erected in this time in Poland. An example of historical style is the National Savings Bank edifice in Cracow, erected in the years 1922–1924 according to the Adolf Szyszko-Bohusz design. Simultaneously a new style, referred to as Art Nouveau appeared. The competition for National Savings Bank in Rzeszów, announced in 1906 was taking into account the traits of Art Nouveau, and in the result the design different from historical styles, with an asymmetric elevation was selected for realization. On Podhale and gradually in other regions the Zakopane style became prevalent in those days; the kindergarten in Nałęczów, designed by Jan Witkiewicz-Koszczyc was built in this style. The next example is the Post Office edifice in Wrocław, designed by Lothar Neumann and erected in the years 1926–1929. In the final part of the paper the Post Office edifice in Ciechocinek, built in the modernism style in 1933 according to the design of Romuald Gutt and Józef Jankowski, is presented; this edifice even in our times attracts attention by its novatory form and a good realization.

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