In most of these, I wrote most of the entry with a little help from other people. In some I wrote as little as 50% of the entry. In one or two, I took someone else's unfinished work and moulded it into a proper entry.

Archaeology

1. The Mysteries of Stonehenge

Astronomy and Space

2. The Moon and the Tides
3. Lagrange Points

Books

4. CS Lewis
5. Gandalf the Grey - Fictional Wizard (picked 29-Aug-2014, published 8-Jun-2015)
6. Hobbits update with Recumbentman replacing MH by Sprax
7. The Science of Pellucidar

Egypt

8. Luxor, Egypt

Food and Drink

9. Ways to Make Good Coffee

Miscellaneous

10. Sandcastles
11. Migraine
12. Advanced Driving Techniques
13. Simple Tips for Taking Good Photographs
14. Painting with Acrylics
15. Purple

Greece

16. Greece
17. Corfu, Greece
18. Athens, Greece
19. The Ancient Olympic Games

Ireland

20. The Spire of Dublin
21. Dublin's Dead Zoo - The Natural History Museum

Language

22. A Brief Introduction to the Czech Language

Mathematics

23. The 3n+1 Conjecture - Proof Needed!
24. The Monty Hall Problem
25. Boolean Expressions from Truth Tables
26. Hilbert's Infinite Hotel
27. How to Draw a Pentagram

Music

28. Harpsichords
29. Trumpets
30. Trombones
31. Ludwig van Beethoven - Pianist and Composer
32. Flutes

Travel

33. Tourists
34. Prague, Czech Republic
35. Venice, Italy
36. Iceland
37. Seattle, Washington, USA
38. Practical Tips for Driving in France for British Drivers
39. The Isle of Man
40. Washington State, USA
41. Istanbul, Turkey

Wildlife

42. Northern Gannets
43. Blackbirds
44. Animal Sex
45. Coastal Redwoods

Coming Soon...

Small Contributions to the Other People's Entries

Most of these contributions are only a few sentences - in some cases, it was a big group project where each author only contributed a few sentences; in others, it was one person's entry to which I contributed a comment or idea.

46. A Chronology of Time
47. How to Survive Extreme Weather
48. How to Get Pregnant and How Not to
49. Antiquated Words and Phrases
50. Taking up a Musical Instrument
51. The Practical Side of the Euro Changeover
52. Public Transport Etiquette
53. How to Type the Euro Sign Using an Old Keyboard
54. Great Zoos and Wildlife Parks
55. Mnemonics and Other Learning Devices
56. Septic Tanks
57. Bog Roll - Over, Under or Not at All?
58. A Guide to Using Search Engines
59. The United Kingdom of Great Britain and Northern Ireland
60. Phi
61. King Henry VIII
62. The Plectrum
63. Wandering Noon
64. Guitar Heroes
65. 'The Intro and The Outro', a song by The Bonzo Dog Doo Dah Band
66. Douglas Adams - His Life and Worlds
67. Static Electric Discharges and How To Prevent Them Zapping You
68. TV and Radio Sport's Howlers
69. Brass Instruments - Tuning and Harmonics
70. The History of the Transit of Venus
71. Church Tales: Part Two
72. The Mysterious Treasure of Thomas Beale
73. Favourite Children's Authors
74. Experiencing a Solar Eclipse
75. How to Experience a Sense of Freedom in Everyday Life
76. Carnegie Libraries
77. How to Survive an Office Move
78. The Pellucidar Novels of Edgar Rice Burroughs