Books about Hoecken:

booksThe history of our cradle land (Miami and Linn Counties);: Catholic Indian missions and missionaries of Kansas... by Thomas H Kinsella (1921)

booksA new look at Hoecken's [sic] straight line trajectory (Memoranda in computer and cognitive science) by Michael J Roseborrough (1985)


Wiki information Hoecken:

Christian Hoecken

Christian Hoecken was a Jesuit missionary of Belgian origin who worked in the United States among the first nations.