If you are looking for the full academic text or related deep dives into his philosophy:
"Dusze Chronosa" (Chronos' Souls) is the title of a significant academic work by the Polish historian and philosopher of culture, . Overview of the Work Dusze Chronosa
His seminal trilogy, Chronos , is often the primary source for these "long papers" or lectures on the evolution of temporal consciousness. If you are looking for the full academic
The term "long paper" likely refers to the extensive nature of Pomian's research into the history of time, collecting, and museums. His most prominent publication under a similar theme is (a massive trilogy), but the concept of "Dusze Chronosa" specifically connects to his explorations of: Dusze Chronosa