Edition

Year of Publication

Total Pages

1st edition

1876

44

2nd edition

1885

314

3rd edition

1888

416

4th edition

1891

466

5th edition

1894

467

6th edition

1899

511

7th edition

1911

792

8th edition

1913

850

9th edition

1915

856

10th edition

1919

940

11th edition

1922

988

12th edition

1927

1243

13 edition

1932

1647

14 edition

1942

1927

15 edition

1951

716

15 revised

1952

927

16 edition

1958

2439

17 edition

1965

2153

18 edition

1971

2718

19 edition

1979

3385

20 edition

1989

3388

21 edition

1996

4115

22 edition

2003

4076

23 edition

2011