Spanish to English Law/Patents Government / Politics Congress of Deputies

Good afternoon everyone. I'm translating a text and one of the sources quoted in the bibliography is the "Memoria de la VII Legislatura", edited by the Ministry of Defence.

Should I translate this? On the one hand, I should translate the names of 'common' works such as Boletín Oficial del Estado or Diario Oficial de la Unión Europea. On the other hand, I shouldn't translate the 'proper names' such as books.

But is the "Memoria de la VII Legislatura" considered a common or a "proper" work? If so, how should I translate it? TIA.