|Sylvia Annabel Mast||1 Jul 1904 - 8 Oct 1910|
|Obituary for Henry E. Mast
Obituary for Sylvia Mast - "Sad Death of Sylvia Mast"
"Mrs. Henry Mast Passes Away" - Sarah Ermina Friend, Mrs. Sarah Ermina Mast
Obituary for Mast Family Due to Typhoid Fever - "When Roundup Was Young"
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