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