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Gualtherus Leich has written:
'De Horatii in Saturis Sermone Lusibundo'
Erich Leich has written:
'\\' -- subject(s): Botany, Economic, Economic Botany, Economic conditions
Helmut Leich has written:
'Nach Millionen Jahren ans Licht' -- subject(s): Paleontology, Pictorial works
Johann Heinrich Leich has written:
'De origine et incrementis typographiae Lipsiensis liber singularis..'
There are many monsters on Adventure Time; you'll have to be a little more specific.