/en/fs1/async/vector/bsb00045267.html?PER_ent=%7BFriedrich+Engels%7D%7BArno+Borst%7D&pubYear=%7B2000%7D&mode=simple
/en/fs1/async/PER_ent/bsb00045267.html?PER_ent=%7BFriedrich+Engels%7D%7BArno+Borst%7D&pubYear=%7B2000%7D&mode=simple
/en/fs1/async/LOC_ent/bsb00045267.html?PER_ent=%7BFriedrich+Engels%7D%7BArno+Borst%7D&pubYear=%7B2000%7D&mode=simple
/en/fs1/async/mlt/bsb00045267.html?PER_ent=%7BFriedrich+Engels%7D%7BArno+Borst%7D&pubYear=%7B2000%7D&mode=simple