The following apparent errors have been corrected:
- p. vii "Transitive" changed to "Transitive 15"
- p. 4 "and Smallness" changed to "and Smallness."
- p. 5 "bottle (of hay)" changed to "bottle (of hay)."
- p. 5 "wants name-shapes" changed to "wants name-shapes."
- p. 6 "in Tale" changed to "in Tale."
- p. 6 "ien" changed to "ien."
- p. 12 "cries)" changed to "cries"
- p. 25 "consist" changed to "Consist"
- p. 84 "Half-Pennings" changed to "Half-Pennings."
- Catalogue p. 1 "Dutch Republic." changed to "Dutch Republic.”"
- Catalogue p. 29 "Ice and and Glaciers." changed to "Ice and Glaciers."
Many punctuation errors in the catalogue have been left unchanged. In addition, the following possible errors have been left as printed:
- p. 61 omen (p. 61).
- p. 61 A word-list or word-list
- p. 75 Pronoun Adjective, mark-word.
- Catalogue p. 15 "Crown 8vo. Cloth, price" was printed with no price.
The following are used inconsistently in the text:
- Ben-nebat and Ben-Nebat
- folkspeech and folk-speech
- linkword and link-word
- markword and mark-word
- speechcraft and speech-craft
- Speechlore and Speech-lore