Knock KnockWho’s there?Prussia!Prussia who?Prussia cooker! Posted on December 1, 2015December 1, 2007 by admin Knock KnockWho’s there?Prussia!Prussia who?Prussia cooker! Spread the love Related posts: Knock KnockWho’s there?Harriet!Harriet who?Harriet it Knock KnockWho’s there?Vassar girl!Vassar girl Knock Knock 178 Mark Bookspan