a1300 24795 For to spek abute sum pais.
a1616 W. Shakespeare (1623) i. iii. 87 Were such things here, as we doe speake about ? View more context for this quotation
1671 H. M. tr. Erasmus 263 He falls on speaking about the success of their business.
1737 [see to speak to —— 2 at Phrasal verbs 1]. 1843 J. H. Newman (1891) II. 430 Sermons which speak more confidently about our position than I inwardly feel.