Found the following hamletworks.org entries referring to line 3780
View Commentary Note for 3778, etc.
3778
King. Part them, they are incenst.
3779
Ham. Nay come againe.
3780
Ostr. Looke to the Queene there howe.
3780
View Immaterial Textual Note for 3778, etc.
3778
King. Part them, they are incenst.
3779
Ham. Nay come againe.
3780
Ostr. Looke to the Queene there howe.
3780
View Material Textual Note for 3778, etc.
3778
King. Part them, they are incenst.
3779
Ham. Nay come againe.
3780
Ostr. Looke to the Queene there howe.
3780