Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 1, pages 1-9
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 1, pages 10
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 1, pages 11-15
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 2, pages 17-19
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 2, pages 20
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 2, pages 21-25
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 2, pages 26
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 2, pages 27-31
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 3, pages 33-52
A Preliminary Key to the Species of Hydrovatus of the Eastern United States (Coleoptera: Dytiscidae)
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 3, pages 53-54
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 3, pages 54
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 3, pages 55
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 4, pages 57-60
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 4, pages 61-62
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 4, pages 63-66
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 4, pages 67-68
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 5, pages 69-80
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 5, pages 80
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 6, pages 81-85
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 6, pages 85
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 6, pages 86
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 6, pages 87-89
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 6, pages 89-90
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 6, pages 91-96
Published in The Coleopterists Bulletin, in 1956, in volume 10, issue 6, pages 96