protein content of common foods per 100gms

Egg and dairy
Cheese
Protein content range: 7.0 to 40.6
high scores: parmesan 35.76 to 41.6;
gruyère 29.8; traditional cheddar 24.9 to 27.2
average scores: camembert 19.8; processed cheddar 16.42 to 24.6
low scores: feta 14.7; ricotta 11.26 to 11.39

Whole chicken egg
10.62 to 13.63 (cooked)
Milks Cow milk (fluid, raw or pasteurized) - 3.3 to 3.97
Soy milk 2.75 to 7.5- dont drink this promotes estrogen

Meat and mock meat
Common red meats Beef meat, cooked - 16.91 to 40.6
high scores: braised eye-of-round steak 40.59;
broiled t-bone steak (porterhouse) 32.11
average scores: baked lean ground beef 24.47
low scores: corned beef: 16.91

Meat oddities

Bearded seal game meat, dried: 82.6
Moose game meat, dried: 79.5
Beaver game meat, broiled: 23.0.
White meat Fish
Mock meat (cooked vegetarian preparations): 18.53 to 23.64

Vegetables, grain and pulses
Vegetables Nori seaweed, dried sheets: 36.24
ready-to-eat green vegetables: 0.33 to 3.11
ready-to-eat starchy tubers: 0.87 to 6.17 high scores: home-prepared potato pancakes 6.17; French fries 3.18-4.03
average scores: baked potato 2.5; boiled yam 1.49
low scores: boiled sweet potato 0.87.

Legumes

dry roasted soybeans: 39.58
peanuts (raw, roasted, butter): 23.68 to 28.04.
Baked products Wholewheat pancakes:
Bread: 6.7 to 11.4
Crackers: 7.43 to 13.9.

Other food elements

Natural protein concentrates (often used in bodybuilding or as sports dietary supplements):
Soy protein isolate (prepared with sodium or potassium): 80.66
Whey protein isolate: 79.5
Egg white, dried: 79.0
Spirulina alga, dried: 57.45 (more often quoted as 55 to 77)
Baker's yeast: 38.33

feel free to add!