Found the following hamletworks.org entries referring to line 639
View Commentary Note for 636
636
To cast thee vp againe? what may this meane
1.4.51
View Commentary Note for 639
639
Making night hideous, and we fooles of nature
1.4.54
View Immaterial Textual Note for 639
639
Making night hideous, and we fooles of nature
1.4.54
View Material Textual Note for 639
639
Making night hideous, and we fooles of nature
1.4.54