Found the following hamletworks.org entries referring to line 3343

View Commentary Note for 3343-46
3343 Ham. Why? 33435.1.
3344-5 Clow. Twill not be seene in him {there}, there the men are as | mad  
3346 Ham. How came he mad? (as hee.5.1.156

View Material Textual Note for 3343-46
3343 Ham. Why? 33435.1.
3344-5 Clow. Twill not be seene in him {there}, there the men are as | mad  
3346 Ham. How came he mad? (as hee.5.1.156