What is referred to by '1st 15th ptolemaic'?

Based on the clue '19th century sculptor william rush is famous for t...', what is the answer? Based on the clue '19th century term for the belief that us expansion...', what is the answer? What is associated with: 19th century world traveler isabella bird was the first female member of this british society… Based on the clue '1st only president listed by the book of lists as...', what is the answer? Based on the clue '1st brought to the new world by english colonists ...', what is the answer? Based on the clue '1st called a longcase or coffin clock it was renam...', what is the answer? Based on the clue '1st century ad intersecting deaths', what is the answer? Based on the clue '1st cousins dannay lee wrote the ellery queen sto...', what is the answer?