Found the following hamletworks.org entries referring to line 452

View Commentary Note for 452
452 Vppon the platforme twixt a leauen and twelfe1.2.251

View Immaterial Textual Note for 452
452 Vppon the platforme twixt a leauen and twelfe1.2.251

View Material Textual Note for 452
452 Vppon the platforme twixt a leauen and twelfe1.2.251