urn:cts:dta:hirschfeld.gartenkunst3.1780:
urn:cts:dta:hirschfeld.gartenkunst1.1779:
urn:cts:dta:hirschfeld.gartenkunst5.1785:
urn:cts:dta:hirschfeld.gartenkunst4.1782:
urn:cts:dta:hirschfeld.gartenkunst2.1780: