Table 1 Input data sources.

From: Building schematic of Vienna in the late 1920s

Title

Description

Format

Access

Reference

Analog building schematic

Each volume includes the buildings from two or more city districts and characterizes them by e.g. building number, street name as well as number of floors. A showcase page from volume IX is given in Fig. 4a.

PDF

Online. Free of charge.

3

Google street view

An online service providing front-side images of current buildings. It offers an address-based search function for individual buildings.

Online service

Online. Free of charge.

6

Statistical yearbook 1914

The statistical yearbook of 1914 includes building counts by the number of floors.

PDF

Online. Free of charge.

7

Statistical yearbook 1929

The statistical yearbook of 1929 includes the latest census data from 7 March, 1923 with building counts by urban district.

PDF

Online. Free of charge.

8

Address register

Address data including the address name (traffic area and building number), the coordinates of the access to the property and the building address (location of building entrances).

SHP

Online. Free of charge.

9

Wien Geschichte Wiki

The wiki is a historical knowledge base of the city of Vienna. It gathers information from city authorities and the general public. It also records street names and potential name changes in the past. It offers an address-based search function.

Online service

Online. Free of charge.

10

Administrative borders

The Federal Office of Meteorology and Surveys provides a geospatial dataset for urban districts and cadastral communities in Vienna

SHP

Online. Free of charge.

11

City map 2010s

The online map includes buildings and building numbers as well as street names. It offers an address-based search function.

Online service

Online. Free of charge.

12

Building periods

The city administration maps the age of individual buildings. The dataset covers only specific city areas.

SHP

Online. Free of charge.

13

Catastral-Plan

Published in 1893, the city map covers 25 pages that show properties and buildings at a scale of 1:5000. The map overview, which shows the entire city, includes the names of cadastral communities at this time.

PDF

Online. Free of charge.

14

Land register

The land register is a public access registry recording properties and property rights. It also includes area coverage data for different land use types on a property. It offers a property-based querying function.

Online service

Online. Behind a paywall.

15

Fire brigade map 1920s

The map was published in 1930. It maps the buildings and their addresses as well as infrastructure (water pipes, hydrants) for the fire brigade.

TIF

Personal order. Digitization fee.

16

Cadastral maps 1920s

The “Franziszeische Kataster” is the first complete Austrian cadaster, published between the 1810s and 1870s. Later on, the cadastral map sheets were continuously updated to document, among other information, building footprints and plot boundaries.

TIF

Personal order. Digitization fee.

17

City map 1920s

The urban districts maps were published around 1921. They map buildings and their addresses. The scale is 1:5000.

TIF

Personal order. Digitization fee.

18

Construction plans

The city’s building authority archives construction plans for buildings that are present today. The construction plans of demolished buildings proceed to the city archive, which further decides to store or dispose of the documents according to their relevance for urban history research.

Paper-based documents

Personal inspection in the archive. Free of charge for research purposes.

19

  1. The input data have been used to digitize and validate the building schematic. Notes: “PDF” = file extension of Portable Document Format documents, “SHP” = file extension of shapefiles, “CSV” = file extension of Comma-Separated Value files, “TIF” = file extension of Tagged Image File.