‘First Aid Manual’ (Revised 11th edition), written and authorised by St John Ambulance, British Red Cross and St. Andrew’s First Aid, published by Dorling Kindersley 2021.

Pages 146-149 Head Injury, this includes concussion and cerebral compression, and can include Facial Injury, Lower Jaw Injury and Cheekbone and Nose Injury
Pages 160-161 Spinal Injury

Your setting may have a copy or you may like to look for it at your local library