Text: after may 1968, jean-claude belegou studied art history at the sorbonne in paris. he started photographing around 1970 and has published many books since the 1980's examples of which are: erres, heading for the far north with images from scandinavia.

Correct capitalization: After May 1968, Jean-Claude Belegou studied art history at the Sorbonne in Paris. He started photographing around 1970 and has published many books since the 1980's examples of which are: Erres, Heading for the Far North with images from Scandinavia.

Text: the complex origins of the bulgarian state

Correct capitalization: The Complex Origins of the Bulgarian State

Text: however your purchase bill (invoice/receipt) will still be sent to the provided billing address.

Correct capitalization: However your purchase bill (invoice/receipt) will still be sent to the provided billing address.

Text: the set of attributes that identify the dependent instances of an owner entity is called a partial key.

Correct capitalization:
The set of attributes that identify the dependent instances of an owner entity is called a partial key.