Violin Sonata in A minor, Op. 7 (published 1887) (Not mentioned in the list of works linked to in the article but recorded on Troubadisc  and noted in published articles- Dale's in Oct. 1949 Music & Letters.)
Twelve sonatas (Op. 2), six sonatas (Op. 5) and other various, such as the recently (1970s) discovered 'Manchester Sonatas'. Also the Op. 1 twelve sonatas, though these are for two violins and technically are trio sonatas.