I am looking for some magazine/journal articles on hesychasm, all of
which were published before 1960 in either German or French. Hesychasm
is a Greek Orthodox form of prayer. I'd either like to purchase the
articles or find a library or seminary from which I could copy the
articles, preferably in the United States or Canada.  I live in the
Washington D.C. area, so I am particulary interested in any places I
could obtain the articles in Maryland, D.C. or Northern Virginia.

Here is the pertinent information:

1. Gebet und Entspanning (Hesychastisch Mystik and Autogenes
Training), Paulus Zacharias, Der Weg zur Seele, Heft I, 1952.

2. La Priere de Jesus par un Moines de l'Eglise d'Orient, Collection
Irenikon, Vol. XX, No. 3, 1947.

3. La Priere de Jesus, Mme. Behr-Siegel, Dieu Vivant, No. 8, 1947. 

4. Mystik u. Yoga der Ostkirche, Das Herzgebet.

5. Etudes Carmelitaines (Paris, 1938), Professor Wunderle,
"Psychological Technique of Byzantine Hesychasm.