/de/fs1/async/vector/bsb00050255.html?prox=true&subjectSWD=%7BBulgarien%7D&ngram=true&context=&hl=scan&LOC_ent=%7BBerlin%7D&mode=simple
/de/fs1/async/PER_ent/bsb00050255.html?prox=true&subjectSWD=%7BBulgarien%7D&ngram=true&context=&hl=scan&LOC_ent=%7BBerlin%7D&mode=simple
/de/fs1/async/LOC_ent/bsb00050255.html?prox=true&subjectSWD=%7BBulgarien%7D&ngram=true&context=&hl=scan&LOC_ent=%7BBerlin%7D&mode=simple
/de/fs1/async/mlt/bsb00050255.html?prox=true&subjectSWD=%7BBulgarien%7D&ngram=true&context=&hl=scan&LOC_ent=%7BBerlin%7D&mode=simple