- Opinions rendered by the International Commission on Zoological Nomenclature
Vol 73, Page 1, Date 1922
- Opinion 73 Five generic names in Crinoidea, eighty-six generic names in Crustacea, and eight generic names in Acarina, placed in the Official List of Generic Names
Vol 73, Page 23, Date 1922
- Opinion 75 Twenty-seven generic names of Protozoa, Vermes, Pisces, Reptilia and Mammalia included in the Official List of Zoological Names
Vol 73, Page 35, Date 1922
- Opinion 77 Thirty-five generic names in Protozoa, Coelenterata, Trematoda, Cestoda, Cirripedia, Tunicata, and Pisces placed in the Official List of Generic Names
Vol 73, Page 71, Date 1922
- Opinion 80 Suspension of rules in the case of Holothuria and Physalia
Vol 73, Page 17, Date 1924
- Opinion 81. The genotype of Cimex, Acanthia, Clinocoris and Klinophilos. Opinions 78–81
Vol 73, Page 19, Date 1924
- Opinion 82 Suspension of rules for Musca Linnaeus, 1758A, type M. Domestica
Vol 73, Page 1, Date 1925
- Opinion 84 Trematode, Cestode, and Acanthocephala names placed in the Official List of Generic Names
Vol 73, Page 11, Date 1925
- Opinion 88 Otarion Diffractum vs. Cyphaspis Burmeisteri
Vol 73, Page 24, Date 1925
- Opinion 91 Thirty-five generic names of Mammals placed on the Official List of Generic Names
Vol 73, Page 1, Date 1926
- Opinion 92. Sixteen generic names of Pisces, Amphibia, and Reptilia placed in the Official List of Generic Names
Vol 73, Page 3, Date 1926
- Opinion 93 Twelve generic names of fishes placed in the Official List, by suspension of the rules
Vol 73, Page 5, Date 1926
- Opinion 94 Twenty-two Mollusk and Tunicate names placed in the Official List of Generic Names
Vol 73, Page 12, Date 1926
- Opinion 95 Two generic names of Protozoa placed in the Official List of Generic Names
Vol 73, Page 14, Date 1926
- Opinion 100 Suspension of rules, Spirifer and Syringothyris
Vol 73, Page 9, Date 1928
- Opinion 103 The generic name Grus, type Ardea Grus
Vol 73, Page 21, Date 1928
- Opinion 104 57 generic names placed in the Official List
Vol 73, Page 25, Date 1928
- Opinion 106 The type of Oestrus Linn., 1758, is O. Ovis
Vol 73, Page 4, Date 1929
- Opinion 108 Suspension of rules for Gazelle 1816
Vol 73, Page 15, Date 1929
- Opinion 109 Suspension of rules for Hippotragus 1846
Vol 73, Page 16, Date 1929
- Opinion 110 Suspension of rules for Lagidium 1833
Vol 73, Page 17, Date 1929
- Opinion 111 Suspension of rules for Nycteris 1795
Vol 73, Page 18, Date 1929
- Opinion 112 Suspension declined for Manatus 1772 vs. Trlchechus 1758
Vol 73, Page 19, Date 1929
- Opinion 113 Sarcoptes Latreille, 1802, type Scabici. placed in Official List
Vol 73, Page 20, Date 1929
- Opinion 115 Status of Leucochilus
Vol 73, Page 1, Date 1931
- Opinion 117 Type of Lithostrotion
Vol 73, Page 18, Date 1931
- Opinion 119 Six Molluscan generic names placed in the Official List of Generic Names
Vol 73, Page 23, Date 1931
- Opinion 121 Necessity for suspension of rules in case of Agasoma Gabb, 1869, type Sinnatum, not proved
Vol 73, Page 31, Date 1931
- Opinion 122 Seven generic names in Primates Adopted in the Official List of Generic Names
Vol 73, Page 33, Date 1931
- Opinion 127 Suspension of rules for Lepidocyclina Gümbel, 1868, type Nummulites Imantelli
Vol 73, Page 23, Date 1936
- Opinion 128 Nycteribia, 1756, Pupipara, and Spinturnix, 1826, Acarine
Vol 73, Page 29, Date 1936
- Opinion 129 Bipinnaria 1835 vs. Luidia 1839
Vol 73, Page 32, Date 1936
- Opinion 130 Lytoceras Suess, 1865, placed in the Official List of Generic Names
Vol 73, Page 34, Date 1936
- Opinion 105. Dybowski's (1926) names of Crustacea suppressed
Vol 73, Page 1, Date 1941
- Opinion 85. Ninety-eight generic names in Crustacea placed in the Official List of Generic Names
Vol 73, Page 13, Date 1941-12-16
- Opinion 114 Under suspension Simia, Simia satyrus and Pithecus are suppressed
Vol 73, Page 25, Date 1941