Historical Record, Volume 6
Historical Record (1886). "Devoted exclusively to historical, bibliographical, chronological and statistical matters."
Edited by Andrew Jenson
Vol. 9 published by Deseret Historical Association, Salt Lake City, Utah
Originally published monthly as a periodical, later issued as a three volume set; vols. 5-8 were republished with a separate title-page "Church Encyclopedia, book 1."
Church chronologies, (1886-1887), Biographical encyclopedia (1888), and Infancy of the Church (1889) were issued as supplements and are bound in various volumes
v.5-8. Church encyclopaedia, book I -- v. 9. Pioneers of 1847
Americana/Rare has a boxed loose set in BX8672.J451hL
Stacks and Americana have multiple copies of most volumes in various combinations of bound volumes and supplements
Historical Record, Volume 6.