View of the Catholic church of the Holy Cross, Hamm (colour photo)
Hamm (Sieg) – Wikipedia
Hamm (Sieg) - Wikipedia
Hamm, Bitburg-Prüm - Wikipedia
Christian Hamm, Referent*in des Deutschen Präventionstages
Hamm (Sieg), Germany, Rheinland-Pfalz, N 50 45' 55'', E 7 40' 39'', map, Timeless Map published in 2021. Travelers, explorers and adventurers like Florence Nightingale, David Livingstone, Ernest Shackleton, Lewis and Clark