27-2: tal maravilla: such a marvel. Observe the frequent omission of the indefinite article before tal. Cf. note a otro, p. 10, 1, and also un tal García, p. 33, 4.
27-3: propio: personal.
27-4: Vos: you (singular). It is used nominatively and after prepositions, taking a verb in the second person plural. It is more formal than tú and less so than usted.
28-1: de veras: cf. note con todas las veras, p. 4, 7.
28-2: está de cuerpo presente: is lying in state.