Letter from Roberto Fierro Villalobos to Pedro J. Gonzalez. Two illustrations of men and a title are printed above two short lists of names and one long list, which extends towards the bottom of the page. The rest of the page is occupied by a wide column of paragraphed text positioned below an eagle icon and an address. Below the paragraphs is a signature.

Letter from Roberto Fierro Villalobos to Roberto de la Madrid, and an article. On the front of the page, the letter's text is printed below two illustrations of men, a bird icon, and two short lists of names. A longer list of names extends along the left edge of the page, ending above a signature. The article is printed on the page's back side and has a large bold title printed above four text columns. Two "abc" icons are printed near the page's bottom right corner.

Letter from Roberto Fierro Villalobos to Gilberto Izqueirdo Arzate. Two illustrations of men are printed in the top corners of the paper while the letter's titles sit between and above them. Under the titles and the illustrations are two short lists of names and one long list, which extends towards the bottom of the page. The rest of the page is occupied by a wide column of paragraphed text printed below an eagle icon and an address. Below the paragraphs is a signature.

Letter from Roberto Fierro Villalobos to Pedro J. Gonzalez. Two illustrations of men are printed in the top corners of the paper while the letter's titles sit between and above them. Under the titles and the illustrations are two short lists of names and one long list, which extends towards the bottom of the page. The rest of the page is occupied by a wide column of paragraphed text printed below an eagle icon and an address. Below the paragraphs is a signature.

Letter from Roberto Fierro Villalobos to Pedro J. Gonzalez. Two illustrations of men are printed in the top corners of the paper while the letter's title sits between them. Under the title and the illustrations are two short lists of names and one long list, which extends towards the bottom of the page. The rest of the page is occupied by a wide column of paragraphed text printed below an eagle icon and an address. Below the paragraphs is a second title.

Letter from Executive President, Division General, and Aviator Pilot Roberto Fierro Villalobos to Pedro J. Gonzalez. Two illustrations of men are printed in the top corners of the paper while the letter's title sits between them. Under the title and the illustrations are lists of names, with the leftmost list extending the farthest towards the bottom of the page. The rest of the page is occupied by a wide column of paragraphed text printed below an eagle icon and an address. Below the paragraphs is a signature.

Letter from Roberto Fierro Villalobos to Pedro J. Gonzalez. Two illustrations of men and a title are printed above two short lists of names and one long list, which extends towards the bottom of the page. The rest of the page is occupied by a wide column of paragraphed text positioned below an eagle icon and an address. Below the paragraphs is a signature and a second title.

Letter from Roberto Fierro Villalobos to Roberto Sanchez. Two illustrations of men are printed in the top corners of the paper while the letter's title sits between them. Under the title and the illustrations are two short lists of names and one long list, which extends towards the bottom of the page. The rest of the page is occupied by a wide column of paragraphed text printed below an eagle icon and an address. Below the paragraphs is a signature.