"howe, william h. "
the butterflies of north america: / william.h. howe - ed. - new york : double day 1975. - "xiii, 633p.; 27 cm."
includes bibliography
0-385-04926-9
butterflies-united states
QL548 / .H69 1975
the butterflies of north america: / william.h. howe - ed. - new york : double day 1975. - "xiii, 633p.; 27 cm."
includes bibliography
0-385-04926-9
butterflies-united states
QL548 / .H69 1975