Here are Anhalt ruling authorities which currently have listed coins but aren't available in Numista (under that issuer).
Anhalt (County)
Albert the Bear (1123-1170)
https://www.wikidata.org/wiki/Q156041
Bernhard (1170-1212)
https://www.wikidata.org/wiki/Q565737
Henry I (1212-1252)
https://www.wikidata.org/wiki/Q67176
Anhalt (Principality)
Waldemar VI (1473-1508)
https://www.wikidata.org/wiki/Q92179
Ernest I (1474-1516)
https://www.wikidata.org/wiki/Q78137
Rudolph IV (1474-1510)
https://www.wikidata.org/wiki/Q100421
Sigismund III (1474-1487)
https://www.wikidata.org/wiki/Q100397
George II (1474-1509)
https://www.wikidata.org/wiki/Q111422
Wolfgang (1508-1562)
https://www.wikidata.org/wiki/Q317002
John V (1516-1551)
https://www.wikidata.org/wiki/Q89423
George III (1516-1553)
https://www.wikidata.org/wiki/Q73517
Joachim I (1516-1561)
https://www.wikidata.org/wiki/Q96375
Joachim Ernest (1562-1586)
https://www.wikidata.org/wiki/Q66888
Bernhard VII (1562-1570)
https://www.wikidata.org/wiki/Q102518
John George I (1586-1618)
https://www.wikidata.org/wiki/Q65925
Christian I (1586-1630)
https://www.wikidata.org/wiki/Q63024
Bernhard VIII (1586-1596)
No wikidata (https://de.wikipedia.org/wiki/Bernhard_von_Anhalt)
Augustus (1586-1630)
https://www.wikidata.org/wiki/Q479440
Rudolph (1586-1621)
https://www.wikidata.org/wiki/Q519491
Johann Ernst (1586-1601)
No wikidata
Louis I (1586-1630)
https://www.wikidata.org/wiki/Q70929
John Casimir (1618-1630)
https://www.wikidata.org/wiki/Q66889
George Aribert of Anhalt-Dessau (1618-1630)
https://www.wikidata.org/wiki/Q101646
John VI (1621-1630)
https://www.wikidata.org/wiki/Q65878
John George II (1670-1693)
https://www.wikidata.org/wiki/Q63246
Victor Amadeus (1670-1693)
https://www.wikidata.org/wiki/Q69454
William Louis (1670-1693)
https://www.wikidata.org/wiki/Q92204
Karl (1670-1693)
https://www.wikidata.org/wiki/Q65243
Emmanuel Lebrecht (1670-1693)
