Maertens, Thierry.
Advent-Christmas: first Sunday of Advent - first Sunday of the year /
Therry Maertens, Jean Frisque 
. - Revised edition 
. - Notre Dame  : Fides Claretian,  1971 
. - xi, 317 p.  20 cm. 
<br/><label>  ISBN: </label>0-8190-0001-9