BioStor
 | Mitteilungen uber Chrysomonadinen aus dem Schwarzwald (1921) Zoologischer Anzeiger Leipzig 53: 153-173 |
 | THE METABOLIC GRADIENTS OF VERTEBRATE EMBRYOS. III. THE CHICK Libbie H Hyman (1927) Biol Bull 52: 1-38 |
 | THE METABOLIC GRADIENTS OF VERTEBRATE EMBRYOS. IV. THE HEART Libbie H Hyman (1927) Biol Bull 52: 39-50 |
 | THE EFFECT OF LACK OF OXYGEN ON SEA URCHIN EGGS Ethel Browne Harvey (1927) Biol Bull 52: 147-160 |
 | THE REACTION OF HYDRA TO INANITION W A Kepner and P N Jester (1927) Biol Bull 52: 173-1841 |
 | CILIATED PITS OF PRORHYNCHUS STAGNALIS Margaret R Haase (1927) Biol Bull 52: 185-196 |
 | THE CONTRACTILE VACUOLE IN PARAMECIUM TRICHIUM Robert L King (1928) Biol Bull 55: 59-68 |
 | THE DEVELOPMENT OF THE SPERMATOZOON IN CAVIA COBAYA Mary T Harman and Frank P Root (1928) Biol Bull 55: 235-254 |
 | OBSERVATIONS ON HYDRA AND PELMATOHYDRA UNDER DETERMINED HYDROGEN ION CONCENTRATION W L Threlkeld and S R Hall (1928) Biol Bull 55: 419-432 |
 | THE GREEN HYDRA SYMBIOSIS: ANALYSIS OF A FIELD POPULATION G Muller-Parker and R L Pardy (1987) Biol Bull 173: 367-376 |
 | Embryogenesis in Hydra V J Martin, C L Littlefield et al. (1997) Biol Bull 192: 345-363 |