Meyers Orts- und Verkehrs-Lexikon des Deutschen Reichs (Meyers Gazetteer), online edition, with GOV (genealogy.net) for post-1945 Polish equivalents · meyersgaz.org / gov.genealogy.net
Lübtow 1) Kr. Lauenburg, Lauenburg, Köslin, Pommern, Preussen — Volume 2 Page 105 Type D. u. Rg. Lvl I Pr. Prov Pomm. RB Köslin AG Lauenburg BKdo Stolp StdA Ossecken Pomm. A Sassin Kr Lauenburg
Village and estate in Kreis Lauenburg whose registry office (StdA) was Ossecken — which is exactly where the Skirke family's other events sit (#7294). Meyers puts it at 54.79768, 17.86896; the present-day village is Lubiatowo, gmina Choczewo (Wikidata Q11763015, 54.79613, 17.866), 0.26 km away. Place #2634 'Lubtow, Lauenburg, Prussia' already carries that identification (historical → #11291 Lubiatowo) and is a duplicate of this row.