2		20
References of "20" (Words/Numbers in Drawings)

20	Folio 33 v,d01c
	Folio 33 v,d01c
	Folio 62 r,d01b
	Folio 71 v,d01c
	Folio 71 v,d01c
	Folio 113 r,d01a
	Folio 117 v,d01a
	Folio 121 r,d01a
	Folio 182bv,d01a
	Folio 182bv,d01a
	Folio 182bv,d01a
	Folio 182bv,d01a
	Folio 182bv,d01a
	Folio 188 r,d01e
	Folio 188 r,d01e