Handwritten letter from Jessie's sister, Sara, to Jessie Jacobs Muller Offerman.

Handwritten letter from H.J. Muller to David Muller.

Handwritten letter from Jessie Jacobs Muller Offermann to Carlos Offermann with envelope.

Handwritten letter from Jessie Jacobs Muller Offermann to Carlos Offermann with envelope.

Handwritten letter from Jessie Jacobs Muller Offermann to Carlos Offermann with envelope and enclosed typed letter from Jessie to G. Gokham, Chief of the Consular Division of the Embassy of the Union of Soviet Socialists Republic.

Handwritten letter from Jessie Jacobs Muller Offermann to Carlos Offermann with envelope.

Handwritten letter from Jessie Jacobs Muller Offermann to Carlos Offermann with envelope.

Handwritten picture postcard from Kate to Jessie Jacobs Muller Offermann.

Handwritten picture postcard from H.J. Muller, N. Timofeeff-Ressovsky, and Dorrthee to David.

Handwritten picture postcard from H.J. Muller to David Muller.