• Amazon (Kindle/Paperback): Edgar Baqueiro Rojas’s books are widely available on Amazon Mexico and Amazon US. You can often purchase the Kindle version for a lower price than the physical copy.
• Google Books: Often, Google Books allows you to view a "Preview" of the text. While you cannot download the whole PDF, you can often read significant portions of the chapters on "Personas" and "Introducción" for free. This is excellent for quick research.
• Editorial Porrúa: This is a primary publisher for Mexican law texts. Check their official website for the most recent edition.

Digital Libraries & EPUBs: You can find the EPUB version on the Biblioteca Virtual Dikaia, which offers it through a subscription model. The text you found refers to " Derecho

Part 2: Theory of the Legal Act: Examines the essential elements of legal acts, including consent, objects, and validity requirements. Digital Libraries & EPUBs : You can find

Aviso sobre derechos: Asegúrate de descargar el PDF desde fuentes legales y respetar los derechos de autor; utiliza copias autorizadas o recursos académicos que ofrezcan acceso legítimo. Universidad Nacional Autónoma de México (UNAM)

Parte II: Teoría del Acto Jurídico: Analiza de forma integral los elementos esenciales de existencia, validez y eficacia de los actos jurídicos.

MercadoLibre: Frequently has listings for used or new copies of the Oxford University Press editions.

For these reasons, Derecho Civil: Introducción a las Personas is frequently adopted as the primary textbook in first‑year civil‑law courses at universities such as the Universidad de Chile, Universidad Nacional Autónoma de México (UNAM), and the Universidad Complutense de Madrid.