Columbia subject headings:
Birds--Collection and preservation--Rocky Mountains Region.
Mammals--Collection and preservation--Rocky Mountains Region.
Maxwell, Martha, 1831-1881.
Naturalists--Colorado--Biography.
Taxidermists--Colorado--Biography.
Harvard subject headings:
Birds--Collection and preservation--Rocky Mountains Region.
Mammals--Collection and preservation--Rocky Mountains Region.
Maxwell, Martha, 1831-1881
Naturalists--Colorado--Biography.
Taxidermists--Colorado--Biography.
Women naturalists--Colorado--Biography.
Princeton subject headings:
Birds--Rocky Mountains Region--Collection and preservation.
Mammals--Rocky Mountains Region--Collection and preservation.
Maxwell, Martha, 1831-1881.
Naturalists--Colorado--Biography.
Taxidermists--Colorado--Biography.