The Footnote near the top of the Appendix IV ['Entrance Form'] (Ido version) has its anchor marked as {1}, with its text placed at the bottom of the Form as in the original text.
The other Footnotes [1] to [7] are placed at [the end of the etext]. Footnote [3] has two anchors on [page 29].
Obvious typographical errors and punctuation errors have been corrected after careful comparison with other occurrences within the text and consultation of external sources.
Except for those changes noted below, all misspellings in the text, and inconsistent or archaic usage, have been retained. For example, mother tongue, mother-tongue; ready made, ready-made; unbiassed; superadded; incrust; scholasticism; employés.
[Pg 14], 'States, Chili,' replaced by 'States, Chile,'.
[Pg 15], 'la Langue Universale' replaced by 'la Langue Universelle'.
[Pg 50], 'will be oz' replaced by 'will be -oz'.
[Pg 56], 'à posterori' replaced by 'à posteriori'.
[Pg 82], 'in detail, retail' replaced by 'in detail'.