[...] minimum unit of distinctive sound- feature, a phoneme.
- Bloomfield (1935), a pag.79

Each linguistic form is a fixed combination of signaling-units, the 'phonemes'.
- Bloomfield (1935), a pag.158

The important thing about language is its service in connecting the speaker's stimulus with the hearer's response. This connection depends as we have seen, upon a relatively few featurs of the acoustic form, upon the features which we call phonemes.
- Bloomfield (1935), a pag.128

Once we have defined the phonemes as the smallest units which make a difference in meaniing [...]
- Bloomfield (1935), a pag.136

[... ] a phoneme is in the lexicon - namely, the smallest unit of form.
- Bloomfield (1935), a pag.166