private static Type FindWord( System.String word ) {
	Type output = null;

	Type probe;
	var stack = theDictStack;
	System.Collections.Generic.IDictionary<System.String, Type> dict;
	while ( !stack.IsEmpty && ( null == output ) ) {
		dict = stack.Peek();
		if ( dict.TryGetValue( word, out probe ) ) {
			output = probe;
			break;
		}
		stack = stack.Pop();
	}

	if ( null == output ) {
		if ( word.StartsWith( "(" ) ) {
			output = Type.CreateString( word );
		} else if ( word.StartsWith( "/" ) ) {
			output = Type.CreateLiteral( word );
		} else {
			output = Type.AsNumber( word );
		}
	}

	return output;
}