Ardas vishesh ank : Nanak Prakashan patrika / edited by Balkar Singh. - Patiala : Punjabi University, n.d. - ix, 246p. ; 21cm. ISBN: Rs.15 Subjects--Topical Terms: Sikh hymns.Worship (Sikhism).Philosophy, Sikh.Sikhism.Preaching. Dewey Class. No.: 294.6433