Just a list of links that are helpful and insightful:

1. DapperQ
2. Androstyle Tumblr
3. Girls In Suits Tumblr
4. Street Etiquette
5. Valet
6. FASHIONBEANS
7. Sartorially Inclined
8. Archival Clothing
9. The Fedora Lounge
10. Art of Manliness
11. Fashion Bits and Bobs
12. Fintage
13. Galadarling
14. New Dandyism
15. Prepidemic
16. Prepidemic Tumblr
17. Racing Like a Pro Tumblr
18. This Fits Tumblr
19. How To Talk to Girls at Parties Tumblr
20. On and Beyond
21. Five’s Second Skin
22. Put This On Tumblr
23. FREEFMAN
24. A Continuous Lean
25. The Urban Gentleman
26. The Pursuit Aesthetic
27. Urban Daddy
28. Unabashedly Prep
29. Close Up and Private Collection
30. Hit The Hay Tumblr
31. Mistercrew
32. Acquired Tastemakers 
33. Adentro Style
34. Men’s Fashion & Lifestyle Aficionado
35. Vegan Ties, Jaanj
36. 101 Incredible Tumblr Blogs for Men’s Fashion
37. Urbane Menswear
38. Studio Suits
39. The Cordial Churchman
40. Dapper.Dean
41. Trans* (Fat)shion
42. Total Queerity
43. QueerBOIS
44. Lezsquire

I will be updating it whenever I find and get some more links, so feel free to submit any!

Many of these sites also have their own links list as well, so check them out!