Friedrich Martens - Historical records and family trees - MyHeritage
Friedrich Martens - Wikidata
Free Images - SnappyGoat.com- bestof:Friedrich Fromhold Martens (1845-1909).jpg Friedrich Fromhold Martens 1845-1909 Russian diplomat lawyer and expert in international law http //www
Alan Teder's review of Professor Martensi ärasõit
Von Hamburg nach Spitzbergen und Grönland (German Edition): Martens, Friedrich: 9783861950400: Amazon.com: Books