Diese Seite wurde automatisch übersetzt. Es kann daher zu Abweichungen oder Ungenauigkeiten im Text kommen. Verbindlich ist ausschließlich die Originalfassung. Rechtsansprüche aus Inhalten der übersetzten Version sind ausgeschlossen.

Copyright and rights of use

Photos, graphics, plans, maps, printed works, manuscripts, letters and other documents may still be protected by copyright decades after they have been handed over to the archive. Copyright is transferred to the author's heirs after their death and does not expire until 70 years after death. It is also possible that authors have granted rights of use to other persons or institutions, which may still be valid. These rights restrict the use, reproduction and publication of archive material.

Even we as an archive do not always have the necessary information about authors and rights holders.

Please also note any changes in the legal situation!

Help with accessibility

  • General

    We make every effort to ensure that our websites are accessible. You can find details on this in our accessibility statement. You can send us suggestions for improvement using our"Report a barrier" feedback form.

  • Font size

    To adjust the font size, please use the following key combinations:

    Larger

    ⌘command
    +

    Smaller

    ⌘command
    –

    Larger

    Ctrl
    +

    Smaller

    Ctrl
    –
  • Keyboard navigation

    Use TAB and SHIFT + TAB to navigate through next/previous links, form elements and buttons.

    Use ENTER to open links and interact with elements.

  • Contrast mode

    Press the following key combination to reduce or increase the contrast:

    Enlarge

    ⌃control
    ⌥option
    ⌘command
    .

    Decrease

    ⌃control
    ⌥option
    ⌘command
    ,
    Note: The shortcuts must be activated in the system settings of the operating system.

    Press left ALT + left SHIFT + PRINT to quickly switch the high contrast mode on or off.

  • Invert colors

    Press the following key combination to switch the color inversion on and off:

    ⌃control
    ⌥option
    ⌘command
    8
    Note: The shortcuts must be activated in the system settings of the operating system.

    First activate the screen magnifier and then switch the color inversion on and off with the following key combinations:

    1. screen magnifier

    +

    2. invert colors

    Ctrl
    Old
    I
  • Screen magnifier

    Press the following key combinations to use the screen magnifier:

    Switch on/off

    ⌥option
    ⌘command
    8

    Enlarge view

    ⌥option
    ⌘command
    =

    Reduce view

    ⌥option
    ⌘command
    –
    Note: The shortcuts must be activated in the system settings of the operating system.

    Switch on / Enlarge view

    +

    Reduce view

    –

Select language