Crossword Puzzle Early zoology topic

Clue: Early zoology topic

Target of thrown bricks, in early comics (KRAZYKAT with 8 letters)
Early Nebraskans (e.g. OTOES with 5 letters)
Early Cuzco citizen (INCA with 4 letters)
Business school topic (CASESTUDY with 9 letters)
Oscar Zoroaster Diggs of early 1900s fiction, with "The" (WIZARDOFOZ with 10 letters)
Digressing from the main topic (OFFONATANGENT with 13 letters)
As early as possible (PRIMAL with 6 letters)
Early Steven Bochco series (LALAW with 5 letters)
Early vocabulary word (DADA with 4 letters)
Vogue topics (STYLES with 6 letters)