Items two and four: L. Geiges, Die Regio, Landschaft am Oberrhein, Eine Kulturgeschichte in Bildern, Köln, 1986, "Wie's die Römer trieben", col. pl.
Items two and three: for similar, cf. C. Lyon-Caen and V. Hoff, Catalogue des lampes en terre cuite grecques et chrétiennes, Musée du Louvre, Paris, 1986, p. 118, no. 134 (Book of Numbers 13:23) representing the return of the spies that Moses sent into the land of Canaan to report back on the wealth and nature of the land; and p. 102, no. 48, "Thou shalt walk upon the asp and the basilisk: and thou shalt trample under foot the lion and the dragon" (Psalm 90:13).
Item five: this depiction is taken from the Old Testament (Daniel 3:23-26) and was adopted into early Christian iconography as a foreshadowing of the resurrection of Jesus. The Three Hebrews were sentenced to death in a fiery furnace by Nebuchadnezzar but emerged unharmed and accompanied by an angel.