The Essentials of Anglo-Saxon Grammar: With an Outline of Professor Rask and Grimm's Systems. E-book. Formato PDF Joseph Bosworth   -  Forgotten Books, 2017  - 

8. All nouns, having the nom. S. Ending in -a, -scipe, -dom, -end, and -ere, are masculine: those having the nom. S. In -nes, -um, -u5, -5, and -estre, are feminine and those in arm, -ed, are neuter. All nouns having the nom. And ac. Pl. In -u are of the first declension, neuter gender. Every noun, having the nom. And ac. Pl. In as, is nouns making g. S. Inie are feminine.