• 1887 - 1953, Brandenburg State Archives (BLHA), 105 GB Rep. 105 land registers description: Contains: Lignite mines: "Fritz von Oertzen" b. Cottbuser Stadtforst et al. (p. 101). - "Dear Fatherland" ibid. (page 102). - "Kolkwitz" ibid. (page 103). - "Steffen" ibid. (page 104). - "Roland" ibid. (page 105). - "Hugo's wish" b. Bräsinchen and others (page 106). - "Bailiff" ibid. (page 107). - "Annazeche" ibid. (bl. 108). - "Mary's Recuperation" ibid. (bl. 109). - "Friedrich Glück" ibid. (Bl. 110). - Association of the mines "Mahdi", "Mandara II", "Zeller", "Walter", "Buschiri", "Tip o Tip", "Emin Pascha" and "Haasow" b. Haasow and others (page 111). - "Mandara II" ibid. (page 112). - "Markulla" b. Sylow and others (page 113). - "Zeller" b. Haasow and others (page 114). - "Tannhäuser" b. Kahren u.a. (page 115). - "Thank God" ibid. (bl. 116). - "Walter" b. Haasov and others (page 117). - "Buschiri" ibid. (page 118). - "Tip o Tip" ibid. (Bl. 119). - "Frauendorf" b. Kahren et al. (page 120). - "Copatz" ibid. (bl. 121). - "Theo" b. Kiekebusch and others (page 122). - "August's Joy" b. Driving, among other things (page 123). - "Boletus" ibid. (bl. 124). - "von Schöning 5" b. Sergen et al. (page 125). Contains: Lignite mines: "Fritz von Oertzen" b. Cottbuser Stadtforst et al. (p. 101). - "Dear Fatherland" ibid. (page 102). - "Kolkwitz" ibid. (page 103). - "Steffen" ibid. (page 104). - "Roland" ibid. (page 105). - "Hugo's wish" b. Bräsinchen and others (page 106). - "Bailiff" ibid. (page 107). - "Annazeche" ibid. (bl. 108). - "Mary's Recuperation" ibid. (bl. 109). - "Friedrich Glück" ibid. (Bl. 110). - Association of the mines "Mahdi", "Mandara II", "Zeller", "Walter", "Buschiri", "Tip o Tip", "Emin Pascha" and "Haasow" b. Haasow and others (page 111). - "Mandara II" ibid. (page 112). - "Markulla" b. Sylow and others (page 113). - "Zeller" b. Haasow and others (page 114). - "Tannhäuser" b. Kahren u.a. (page 115). - "Thank God" ibid. (bl. 116). - "Walter" b. Haasov and others (page 117). - "Buschiri" ibid. (page 118). - "Tip o Tip" ibid. (Bl. 119). - "Frauendorf" b. Kahren et al. (page 120). - "Copatz" ibid. (bl. 121). - "Theo" b. Kiekebusch and others (page 122). - "August's Joy" b. Driving, among other things (page 123). - "Boletus" ibid. (bl. 124). - "von Schöning 5" b. Sergen et al. (page 125).

unknown manufacturer;