Authorssort ascendingYearTitle
K. Wolfgang Wolffhügel1920Die Parasiten der Haustier in Sudamerika besonders in den La Platastaaten
R. Weigl1920Untersuchungen und Experimente an Fleckfieberläusen. Die Technik der Richettsiaforschung
E. M. Walker1920Symposium on the life cycle of insects: Life cycle of the orthoptoriod orders
B. Mott Underhill1920Parasites and parasitosis of the domestic animals. The zoology and control of the animal parasites and the pathogenesis and treatment of parasitic diseases
S. Uchida1920On a second collection of Mallophaga from Formosan birds
M. Reuter1920Krankheiten und Seuchen des Geflügels, deren Bekämpfung und Heilung
F. Payot1920Contribution à l'étude du Phthirus pubis (Linné, Leach)
G. H. F. Nuttall1920On Fahrenholz´s purported new species subspecies and varieties of Pediculus
M. M. Metcalf1920Upon an important method of studying problems of relationship and of geographical distribution
W. M. Mann1920The occurence of Mallophaga on a dragonfly (Odonata)
N. Leon1920Quelques observations sur les Pédiculides
F. Lahille1920Nota sobre los Malofagos de las aves Argentinas
F. Lahille1920Enumeracion de los pedicúlidos, malófagos, pulicidos, linguatulidos y acaros (Ia parte) encontrados en la Republica Argentina con una nota sobre un especie de piojo de las ovejas
J. W. Kinghorne, Green D. M.1920Lice, mites, and cleanliness
B. F. Kaupp1920The depluming louse of the fowl: Lipeurus variabilis
B. F. Kaupp1920Observations regarding pathological conditions in fowls
M. C. Hall1920Parasites and parasitic diseases of sheep
L. Freund1920Die Stigmen und Trachealatrien der Anopluren (Läuse)
K. Foot1920Notes on Pediculus vestimenti
J. W. Folsum1920Symposium on the life cycle of insects: Apterygota
H. Fahrenholz1920Bibliographie der Läuse- (Anopluren-) Literatur nebst Verzeichnis der Läusearten nach den Wohntieren geordnet
H. Fahrenholz1920Bemerkungen zu der Arbeit G. Schwalbes: "Über die Bedeutung der äusseren Parasiten für die Phylogenie der Säugetiere und des Menschen."
L. Doncaster, H. Cannon G.1920On the spermatogenesis of the louse (Pediculus corporis and P. capitis), with some observations on the maturation of the egg
G. C. Crampton1920The Sclerites of the Head, and the Mouthparts of Certain Immature and Adult Insects
P. Alfred Buxton1920Body-lice under summer condition in Mesopotamia
P. Buchner1920Zur Kenntnis der Symbiose niederer pflanzlicher Organismen mit Pediculiden
G. A. H. Bedford1920Descriptions of a new genus and species of louse from an elephant-shrew
G. A. H. Bedford1920Anoplura from South African hosts. Part II
G. A. H. Bedford1920Mallophaga from South African birds. Descriptions of a new genus (Neomenopon) and two new species (Machaerilaemus plocei, Neomenopon pteroclurus)
N. Banks1920Entomological notes from the Museum of Comparative Zoology
A. William Alcock1920Entomology for medical officers
W. S. Abbott1920Results of experiments with miscellaneous substances against chicken lice and the dog flea
Wood,1920Treatement des parasites externes de volailles
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith