Contents are mainly classified by four items as follows : 1. Tsuchimikado Family's inheritance and landowning of Tsuchimikado-Square. 2. A lot not to be under the control of the landowner-troubles of the landowning-. 3. Formative process of urban space from the Heian Period down to the Muromachi Period. 4. Contributing Tsuchimikado-Square to Daitokuji-Temple.