Found the following hamletworks.org entries referring to line 419

View Commentary Note for 419
419 Hold you the watch to night?1.2.225

View Immaterial Textual Note for 419
419 Hold you the watch to night?1.2.225

View Material Textual Note for 419
419 Hold you the watch to night?1.2.225

View Commentary Note for 421
421 Ham. Arm'd say you?1.2.226

View Immaterial Textual Note for 449
449 And {what someuer} <whatsoeuer> els shall hap to night,1.2.248