/de/fs2/async/vector/bsb00043033.html?PER_ent=%7BAugust+Ludwig%7D%7BHeinrich+Friedrich%7D&LOC_ent=%7BLondon%7D%7BAmsterdam%7D%7BRu%C3%9Fland%7D%7BK%C3%B6ln%7D&mode=simple
/de/fs2/async/PER_ent/bsb00043033.html?PER_ent=%7BAugust+Ludwig%7D%7BHeinrich+Friedrich%7D&LOC_ent=%7BLondon%7D%7BAmsterdam%7D%7BRu%C3%9Fland%7D%7BK%C3%B6ln%7D&mode=simple
/de/fs2/async/LOC_ent/bsb00043033.html?PER_ent=%7BAugust+Ludwig%7D%7BHeinrich+Friedrich%7D&LOC_ent=%7BLondon%7D%7BAmsterdam%7D%7BRu%C3%9Fland%7D%7BK%C3%B6ln%7D&mode=simple
/de/fs2/async/mlt/bsb00043033.html?PER_ent=%7BAugust+Ludwig%7D%7BHeinrich+Friedrich%7D&LOC_ent=%7BLondon%7D%7BAmsterdam%7D%7BRu%C3%9Fland%7D%7BK%C3%B6ln%7D&mode=simple