Letter from Sigmund Heilner to Hecht Brothers. Sigmund responds to Hecht Bros. telling them he cannot promise any payment at present regarding Seligmann's debts. Dated December 15, 1886. Includes a transcription of the letter.

Lettera from Koshland Bros to Sigmund Heilner. Koshland Bros. inform Sigmund that he cannot draw on them for the amount of $2500 as they are "not in a position to loan money on a simple note." The note is returned to Sigmund. Dated December 29, 1886. Includes a transcription of one of the letters.

Letter from Sol Hirsch to Sigmund Heilner. Fleischner, Mayer and Co. acknowledge that Sam Frank paid $2000 on a Note that was owed by Sigmund but inform him he owes $2000 more to them and demand immediate payment. Dated December 31, 1886. Includes a transcription of the letter.

Letter from C. G. Roberts to Sigmund Heilner. Business correspondence between Sigmund and C. G. Roberts of a Portland wool company including report on the Mammoth Mine. Dated January 3, 1887. Includes a transcription of the letter.

Two business letters show the enormous stress that the Heilner family suffered over the murder of Seligmann as Sigmund becomes responsible for all of Seligmann's bills. Dated January 6, 1887, January 11, 1887. Includes a transcription of the letters.

Letter from Victor Fernbach, a realtor in Portland, Oregon to Sigmund Heilner. Victor asks Sigmund for a report of the survey done on the Mammoth Mine. Dated January 15, 1887. Includes a transcription of the letter.

Letter from Chas G. Roberts to Sigmund Heilner. This letter clearly shows Sigmund was most anxious to sell his Mammoth Mine and worked vigorously with Charles G. Roberts to bring the sale to a conclusion. Dated January 15, 1887. Includes a transcription of the letter.

Report. This valuable document is a survey that Sigmund hired J. E. Clayton to do on the Mammoth Mine. This gives the most complete information on the mine. Dated February 1, 1887.

Letter from G. W. Pickett to Sigmund Heilner. G. W. Pickett continues to show interest in the Mammoth Mine but finds some of the samplings disappointing. Dated February 1, 1887. Includes a transcription of the letter.

Indenture. John H. Gavin sells S. A. Heilner for $2500 his right, title and interest in the Tom Paine quartz Mine in the Pocohontas Mining District in Baker County, Oregon. Gavin pays the $100 attorney fee. Dated February 2, 1887.