See this link for article: Some Ideological Aspects of the Articulation between Kin and Tribute: State Formation, Military System, and Social Life in Hesse-Cassel, 1688–1815 Peter Taylor https://monoskop.org/images/4/43/Scott_James_C_Bhat_Nina_Agrarian_Studies_synthetic_work_at_the_cutting_edge_2001.pdf