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i) 
i) 
Miinchen. Konigl. bayerische Akademie der Wissenschaften: 
— — Abhandlungen (math.-physik. Klasse), Band XXIV, Abt. III; Band 
XXV, Abhandlung 1—4; Supplement-Band I, Abhandlung 9, 10; 
Supplement-Band II, Abhandlung 2; Supplement-Band IV, Abhand- 
lung 1, 2. 
— — Sitzungsberichte (math.-physik. Klasse), 1909, Abhandlune 15—19; 
1910, Abhandlung 1—9. 
— K6nigl. bayrische meteorologische Zentralstation: 
— — Deutsches meteorologisches Jahrbuch (Bayern), 1909. 
Nancy. Société des Sciences: 
— — Bulletin, série III, tome X, 1909, fasc. III, IV; tome XI, 1910, fase. I. 
Nantes. Société des Sciences naturelles de l’Ouest de la France: 
— — Bulletin, série ll, 1909, tome IX, trimestre 2—4; 1910, tome X, 
trimestre 1, 2. 
Neapel. Reale Accademia delle Scienze fisiche e matematiche: 
— — Atti, serie 2, vol XIV. 
— — Rendiconti, serie 3, vol. XVI, No 1—9; Supplemento. 
Neuchatel. Société des Sciences naturelles: 
— — Bulletin, tome XXXVI, 1908—1909. 
Newcastle. Institute of Mining and mechanical Engineers: 
— — An account of the strata of Northumberland and Durham as proved 
by borings and sinkings, supplementary volume. 
— — Annual Report, 1910—1911. 
— — Transactions, vol. LX, part 4—9. 
New Haven. Connecticut Academy of Arts and Sciences: 
— — Memoirs, vol. II. 
— — Transactions, vol. XIV, pp. 297—466; vol. XVI, pag. 1—245. 
— The American Journal of Science. Series 4, 1910, voi. XNIX, 
No 172—174; vol. XXX, No 175—180; 1911, vol. XXXI, 
No 181—183. 
— Yale University: 
—  — The New Haven mathematical colloquium. 
— Yale University (Astronomical Observatory): 
— — Transactions, vol. II, part. II. 
New York. Academy of Sciences: 
— — Annals, vol. XVIII, part. II; vol. XIX, part I—II. 
— American geographical Society: 
— — Bulletin, vol. XLII, 1910, No 2—12; vol. XLII, 1911, No 1, 2. 
— American mathematical Society: 
— — Annual Register 1911. 
— — Transactions, vol. 11, 1910, numb, 2—4; vol, 12, 1911, numb. |, 
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