Reliquary Monstrance in the form of a Church

• G. W. Molanus, Lipsanographia sive Thesaurus sanctarum Reliquiarum Electoralis Brunsvico-Luneburgicus (Hannover, 1697), pp. 38-39, no. 75.
• W. A. Neumann, Der Reliquienschatz des Hauses Braunschweig-Lüneburg (Vienna, 1891), pp. 33-34, ill., no. 69.
• O. von Falke, R. Schmidt, and G. Swarzenski, The Guelph Treasure: The Sacred Relics of Brunswick Cathedral Formerly in the Possession of the House of Brunswick- Lüneburg (Frankfurt am Main, 1930), p. 187, no. 54, pl. 90.
• Meyric R. Rogers and Oswald Goetz, Handbook of the Lucy Maude Buckingham Medieval Collection, Chicago, 1945, p. 68, no. 40, pl. 36.
• Patrick M. De Winter, “The Sacral Treasures of the Guelphs,” Bulletin of the Cleveland Museum of Art 72, 1 (1985), pp. 127, 142, no. 73, fig. 160.
• Patrick M. De Winter, Der Welfenschatz: Zeugnis sakraler Kunst des Deutschen Mittelalters (Hannover, 1986), pp. 125, 174, no. 73, fig. 148.
• Klaus Jaitner, “Der Reliquienschatz des Hauses Braunschweig-Lüneburg (Welfenschatz) vom 17. bis 20. Jahrhundert,” Jahrbuch Preußischer Kulturbesitz 23 (1986) [1987], fig. 101.
• Andrea Boockman, Die verlorenen Teile des ‘Welfenschatzes’: Eine Übersicht anhand des Reliquienverzeichnisses von 1482 der Stiftskirche St. Blasius in Braunschweig (Göttingen, 1997), pp. 38, 149, no. 115.
• Christina Nielsen, “‘To Step into Another World’: Building a Medieval Collection at The Art Institute of Chicago” in To Inspire and Instruct: A History of Medieval Art in Midwestern Museums, ed. Christina Nielsen (Newcastle, 2008), pp. 34, 199 n. 35.
• Christina Nielsen, “‘The greatest group of medieval objects ever offered for sale’: The Guelph Treasure and America, 1930-1931,” Journal of the History of Collections 27, 3 (2015), pp. 449, 453 n. 71.

• The Guelph Treasure Exhibition, 1930-31 at the following venues: Frankfurt, Städelsches Kunstinstitut; Berlin, Deutsche Gesellschaft; New York, Reinhardt and Goldschmidt Galleries; Philadelphia, Pennsylvania Museum of Art (now the Philadelphia Museum of Art); the Cleveland Museum of Art; the Detroit Institute of Arts; The Art Institute of Chicago (March 31st to April 20th, 1931); and San Francisco, The M. H. de Young Museum, cat. 54.
• Art Institute of Chicago, Medieval Decorative Arts from Chicago Collections, October 2, 1985-January 5, 1986, no cat.

The collegiate church of Saint Blaise, Braunschweig [no. 115 in the inventory of the relic treasure begun in 1482; see Boockmann 1997, p. 149], remaining there along with other treasure objects after the congregation abolished the Catholic service in 1540; Saint Blaise being under the direct patronage of the dukes of Braunschweig-Lüneburg, 1938.1956 was given, together with the bulk of the church’s relic treasure to Duke Johann Friedrich (died 1679) in 1671 as part of a settlement among members of the ducal family [see Jaitner 1986 [1987], pp. 391-92]; by descent in the Hannover branch of the ducal family of Braunschweig-Lüneburg and preserved with the rest of the treasure in the court chapel of the Leineschloss, Hannover; temporarily removed for safe-keeping during the Seven Years War ( from 1757-64) and the Napoleonic Wars (removed 1803-1816) [Jaitner 1986 [1987], p. 393]; in 1862 installed in the Welfenmuseum in the Altenburg-Palais, Hannover, founded by King George V of Hannover (died 1878) [Hannover became a kingdom at the Congress of Vienna 1814/15; for the foundation of the museum, whose name evoked the medieval glory of the Welf or Guelph dynasty, see Jaitner 1986 [1987], pp. 393-98 and de Winter 1985, p. 13]; in 1867, following the annexation of the kingdom of Hannover by Prussia, moved with the bulk of the treasure to the exiled former king’s villa in Hietzing near Vienna; deposited at the Österreichisches Museum für Kunst und Industrie, Vienna, 1869 to 1906 [Jaitner 1986 [1987], pp. 402, 420 n. 59–the former king was styled duke of Cumberland];1906 sent to the duke of Cumberland’s palace in Penzing on the outskirts of Vienna and in 1920 to Schloss Cumberland in Gmunden, Austria [Jaitner 1986 [1987], p. 404]; in November 1927, the treasure was deposited with a bank in Aarau, Switzerland; at the end of 1929 under Ernst August III as head of the house of Hannover, the treasure was sold to a consortium of Frankfurt dealers: Julius Falk Goldschmidt of the firm I. S. Goldscmidt, Zacharias Max Hackenbroch, and Isaak Rosenbaum and Saemy Rosenbaum of the firm J. Rosenbaum [see De Winter 1985, p. 133; Jaitner 1986 (1987), p. 415 gives January 6, 1930 as the conclusion of the transaction]; 1938.1956 was purchased by Kate S. Buckingham (died 1937), Chicago, from Goldschmidt Galleries, New York, in 1931 [receipt R. 4807 dated 24 April 1931 in Registrar’s office] and was on loan to the museum from that date; bequeathed to the museum and accessioned, 1938.